when a seismometer detects an earthquake, the first signal to arrive is usually the select an answer and submit. for keyboard navigation, use the up/down arrow keys to select an answer. a shear wave. b pressure wave.
When a seismometer detects an earthquake, the first signal to arrive is usually the pressure wave.
What is a pressure wave in earthquake?
One of the two primary varieties of elastic body waves, known in seismology as seismic waves, is the P-wave. Also known as compressional or compression waves, mechanical longitudinal waves. Pressure waves are the first signal from an earthquake to reach any impacted place or a seismograph since they move quicker than other seismic waves.
Pressure waves are typically too subtle for people to detect, though seismographs can. However, some animals might be able to recognize P-waves before the onset of the S-waves. For any earthquake that was close enough to them to affect them, they would have less than two minutes of notice.
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Use what you have learned about the stages and monitoring of volcanic activity to choose the correct answer from the drop-down menus. a volcano that will never erupt again is . mount aetna on sicily is a(n) volcano because it produces earthquakes and lava flows. this volcano is , having no activity since its last eruption in 1707.
Answer:
The correct option on the dropdown is a dormant volcano hence the option is a volcano that will never erupt again is dormant.
Mount Aetna on Sicily is active since it produces earthquakes and lava flows
this volcano is since its last eruption in 1770.
Explanation:
A volcano that will never erupt again is called extinct since its activity has come to an end.
Mount Aetna on Sicily is an active volcano because it produces earthquakes and lava flows which means there is still some activity taking place internally
This volcano is dormant having no activities since its last eruption in 1707.
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Answer:
Extinct, active, dormant.
Explanation:
A volcano that will never erupt again is
✔ extinct
.
Mount Aetna on Sicily is a(n)
✔ active
volcano because it produces earthquakes and lava flows.
This volcano is
✔ dormant
, having no activity since its last eruption in 1707.
you glance up at the sky on monday and observe high wispy clouds. by wednesday those clouds have thickened and dropped down to the surface and it drizzles from wednesday to friday. what kind of weather pattern are you experiencing?
If on Monday you observe high wispy clouds, by Wednesday those clouds have thickened and dropped down to the surface and it drizzles from Wednesday to Friday, the kind of weather pattern you are experiencing is: a wet and rainy weather.
What is weather?Weather can be defined as the average atmospheric conditions of a geographical region (area) over a short period of time. In Geography, there are various elements of weather and these include the following:
Relative humidityWind speedTemperaturePrecipitationAtmospheric pressureThe types of weather pattern.Generally speaking, there are different types of weather pattern and these include the following:
Hot and dry weather (Sunny)Wet and rainy weatherCold weatherStormy weatherCloudy weatherIn this scenario, we can reasonably infer and logically deduce that this person is experiencing a wet and rainy weather because it drizzled from Wednesday to Friday.
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Mexico's increase in crop harvests and cultivation of new plants in the late 20th century were PRIMARILY the result of which of these?
O The green revolution
O The Human Genome Project
O deforestation of the interior
O widespread usage of pesticides
Mexico's increase in crop harvests and cultivation of new plants in the late 20th century were primarily the result of The green revolution.
The correct option is A.
Who introduced Green Revolution and why?The term "green revolution" was first used by William Gaud, and Norman Borlaug is credited with starting it. The Indian government launched the Green Revolution in 1965 with the help of a geneticist known as the father of the Green Revolution (India), M.S. Swaminathan.
What advantages does the Green Revolution give?The Green Revolution was advantageous because it allowed for the growth of more crops on roughly the same amount of land with the same amount of labour, in addition to increasing food production. This brought about lower market prices for food as well as lower production expenses.
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The complete question is-
Mexico's increase in crop harvests and cultivation of new plants in the late 20th century were PRIMARILY the result of which of these?
A- The green revolution
B- The Human Genome Project
C- deforestation of the interior
D- widespread usage of pesticides
T/F The triangular trade linked Africa, the Caribbean, and the
English colonies.
Answer: False
Explanation:
It's Europe, Africa and America
What are the lines called that run from the north to the south?
Answer: Latitude
Explanation:
Answer:
The lines running north-south are known as lines of longitude
Explanation:
If you take a look at a map or globe of the world, you may notice lines running east-west and north-south. The lines run east-west are known as lines of latitude.
Location of eye wall for hurricane maria
By the time Maria hit Puerto Rico on September 20, an eyewall replacement cycle had downgraded her to a high-end Category 4 storm.
What is an Eye Wall?The Eye Wall is the most dangerous part of a storm. The eye wall is located directly outside of the eye. Within a hurricane, this is the location with the most destructive winds and heavy rains. The graphic below depicts a hurricane (called a cyclone in the Southern Hemisphere).
At the heart of powerful tropical cyclones, the eye is a zone of generally calm weather. A storm's eye is usually round and 25-40 miles (40-65 km) in diameter. It is encircled by the eyewall, which is where the cyclone's most severe weather occurs.
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The price of a pair of shoes was reduced from $20 to $14 By what percentage was the price of the shoes reduced? A. 6% B. 70% C. 43% D. 30%
Answer:
30%
Explanation:
100 ÷ 20 = 5
20 - 14 = 6
6 × 5 = 30
Answer:
D. 30%
100÷20=5
20-14=6
6x5=30
Explanation:
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a fold in which rock layers warp up in the shape of an a is a(n) , whereas a fold in which rocks fold down in the shape of a u is a(n) , and a fold that has layers dipping in only one direction is called a(n) .
A fold in which rock layers warp up in the shape of an A is a anticline, whereas a fold in which rocks fold down in the shape of a U is a syncline, and a fold that has layers dipping in only one direction is called a monocline.
What is a rock fold?
In geology, a rock fold is a stockpile, deposits and mountains of rocks in which rock layers are accumulated over one another.
In a rock fold, the rocks look curved or bent downward and upward as a result of deformation process.
The rock fold vary in size and shape and can range from tiny mountain fold to giant sized mountain folds.
To put it simply, rock folds are deformed piles and mountains of older rocks that can exist either in isolated form or as fold trains.
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the parent rock that was altered by metamorphism is called the protolith. what is the protolith of slate? group of answer choices coal any igneous rock gneiss sandstone
The parent rock that was altered by metamorphism is called the protolith. The protolith of slate is igneous rock.
The original, unaltered rock from which a certain metamorphic rock is created is known as a protolith.
For instance, shale or mudstone makes up the protolith of a slate. There are many different protoliths since metamorphic rocks can be created from any other non-metamorphic rock type. One of the main objectives of metamorphic geology is to identify a protolith. Protoliths are not really protoliths; they are non-metamorphic rocks. Sedimentary rocks, created from sediment, and igneous rocks, formed from magma, are the two categories of non-metamorphic rocks. A sedimentary rock's provenance is the place where the sediment that made it originated.
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1. Name one type of specialized transport used on sea and one used on land. 2. Name the goods that each of these modes of transport is specialized to transport. Explain why the following modes of transport are unlikely to be used to transport the goods. a. A train to transport flowers. 3. b. An aero plane to transport 300 tons of coal. c. A refrigerator truck to transport live chickens.
Transport modes are the approach via way of means of which passengers and items are taken from one area to every other. There are essentially 3 forms of modes of delivery; land (street or rail), water, and air.
Land delivery - It is the mode of delivery wherein motion of human beings, animals or items takes area from one vicinity to every other vicinity on land. Examples: Bus, Car, Train, etc. Water Transport - Water delivery is the mode of delivery wherein a watercraft, which include a barge, boat, deliver or sailboat, runs over a frame of water, which include a sea, ocean, lake, canal or river to transport human beings or items from one area to every other.
A train is unlikely to transport flowers as flowers are perishable . An aero plane to transport 300 tons of coal as transport cost will be high . A refrigerator truck to transport live chickens as chickens will not be able to sustain the temperature.
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Rock that forms from particles put down by water or wind is_____? sedimentary, igneous, basaltic, metamorphic.
Answer: Sedimentary rocks are one of three main types of rocks, along with igneous and metamorphic. They are formed on or near the Earth's surface from the compression of ocean sediments or other processes.
Explanation: Already did this
A. G
B. A
C. D
D. C
On the map, which letter labels the equator?
Answer: c
Explanation: The equator is in the middle of the picture, it’s coordinates are 0° 0' 0".
describe how geologic processes can affect natural selection. how can climate change and catastrophes such as asteroid impacts affect natural selection?
Plate tectonic movements, volcanic activity, quakes, and climate change have shifted nature reserves, wiped out many species, and created opportunities for new species to evolve affecting natural selection.
Natural selection is influenced by tectonic plates, earthquakes, and volcanic eruptions: (tectonic plates) first, the positions of continents and oceanic basins have hugely affected the earth's climate, thereby determining where plants and animals can live; second, the progression of continents has allowed organisms to move, adapt to changing environments, and form new species through natural selection. Long-term climate changes have had a significant impact on biological evolution by determining the location of various types of ecosystems.
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Sorrel has 54 beads, and 16 of them are red. Of the remaining beads, half are yellow and half are green. How many yellow beads does she have?
16 beads
19 beads
38 beads
70 beads
Answer:
54-16=38
38/2=19
Explanation: The answer is 19
Answer:
19 beads
Explanation:
Take 54 and subtract the 16 red beads, then divide that by 2
54-16=38
38/2=19
19 beads
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how does the fall relate to tragedies like 9/11, disasters such as the tsunami of 2004 (an earthquake caused a tsunami that killed over 225,000 people), and the covid-19 pandemic in 2020?
I've considered events like the 2020 COVID-19 pandemic, the 2004 Tsunami, and 9/11 tragedies to be inescapable. On a global scale, each calamity has a unique impact, yet its effects are essentially the same.
Regarding these tragedies, I don't think God is the cause of natural disasters, nor do I think He would allow such great suffering and even death as a result of sin. I too find it difficult to think that God could be in control and permit or even be the cause of such atrocities. I believe that his divine nature would not permit such extremes of hurt and pain if these things were to pass through his hands.Looking at the COVID-19 impacts, I recall at first believing that this epidemic was retribution for all of our crimes, but with time, it has altered owing to the ongoing problems we face every day. Unquestionably, one of the main challenges that Religion and Believers face is the existence of evil and misery. The apparent contradiction between the existence of a loving God and the existence of evil occasionally confounds even brilliant minds.Thus this is how fall relate to tragedies like 9/11, disasters such as the tsunami of 2004 (an earthquake caused a tsunami that killed over 225,000 people), and the covid-19 pandemic in 2020.
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what cities have a a tropical wet and dry climate?
Answer: Really any cities in lower Brazil, middle Africa, and lower India.
Here are some examples of countries in Africa and India- Nigeria, the Central African Republic, Cote d'Ivoire, and Liberia. Countries in India: Odisha and Andhra Pradesh.
Explanation:
as silica concentration of magma increases . select one: a. content of dissolved gas in the magma increases b. viscosity of the magma increases c. viscosity of the magma decreases d. content of dissolved gas in the magma decreases
As the silica concentration of magma increases, the viscosity of magma
Option A is wrong because the increasing content of dissolved gas in the magma has no relation to silica concentration.
Option B is correct because silica increases the resistance of flow. It makes the volcano usually explosive.
Places with more destructive plate boundaries have partial melting of crustal rocks, which are richer in silica. Mt. St Helens is an example of a highly eruptive volcano.
Option C is wrong because if the silica concentration increases, the viscosity will also increase. It will not decrease.
Option D is wrong because the increase or decrease of the dissolved gases in the magma has no relation to the silica concentration.
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scientists predict that the ocean will get warmer and the sea level will rise as a result of intensified greenhouse effect. explain in detail, a) the greenhouse effect b) three major factors contributing to climate change.
The consequences of greenhouse gases on the environment and human health are extensive. By trapping heat, they contribute to climate change and respiratory diseases brought on by smog and air pollution.
Other repercussions of climate change brought on by greenhouse gases include extreme weather, interruptions in the food supply, and a rise in wildfires.
What is Greenhouse effect?
When gases in Earth's atmosphere capture the heat from the Sun, the process is known as the greenhouse effect. Earth becomes significantly warmer as a result of this process than it would be without it. One of the factors that makes Earth a desirable place to live is the greenhouse effect.Without greenhouse gases, Earth would be below freezing, but the planet's natural greenhouse effect prevents this from happening. Additionally, when greenhouse gas concentrations rise due to human activity, more heat is trapped and the Earth gradually gets warmer.
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What does this population pyramid indicate about Denmark's recent population growth?
A.
It is relatively stable.
B.
It is rapidly shrinking.
C.
It is extremely unstable.
D.
It is rapidly ex
It is extremely unstable this population pyra-mid indicate about Denmark's recent population growth. A worldwide movement In celebration of this achievement, 7 Billion Actions was started. In the next 30 years, the global population is expected to increase by 2 billion, from 7.7 billion presently to 9.7 billion in 2050,
With a pyra-mid potential peak of 11 billion people around the year 2100. Despite the fact that each population pyramid is different, the majority fall into one of three basic categories: expansive (young and rising), constrictive (elderly and shrinking), and stagnant (little or no population growth). Let's dig a little more into the patterns these three shapes show regarding a population and its requirements.
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if a rock appears to have very poor solubility during weathering, it may be because that rock is rich in what low-solubility material? multiple choice question. limestone quartz calcite halite
Because quartz is a low-solubility mineral, a rock may appear to have very little solubility after weathering if it contains a lot of it. Hence, Option B is correct.
What is a rock?Mineral grains that have grown or gotten cemented together to form a solid mass are called rocks. It depends on the rock; some are big, some are little. The word "pebble" refers to little rocks.
At least one mineral can be found in every rock. Rocks are classified according to how they were formed by geologists who study minerals and rocks. Because quartz has a low solubility, a rock that includes a lot of it can appear to have very little solubility after weathering.
When molten, heated material cools and solidifies, extrusive igneous rocks, also known as volcanic rocks, are created. Sedimentary, igneous, and metamorphic rocks are the three major categories of rocks.
Therefore, Option B is correct.
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what are ones bigger lakes in asia?
Answer:
The Caspian Sea
Explanation:
The Caspian Sea is the biggest lake in Asia even the name is "sea".
What additional information was needed to prove alfred wegener’s hypothesis of continental drift was possible?.
Additional information that was needed to prove Alfred Wegener's hypothesis of continental drift was plate tectonic theory - the mechanism behind the movement of the plates.
According to Alfred Wegener's hypothesis of continental drift, the earth was a giant piece of the merged continents called the "supercontinent or Pangea". Although he suggested that the continents are moving away from each other due to the rotation of the earth around its own axis, his idea was not accepted as it did not provide a sufficient explanation for the phenomenon of continental drift.
However, the theory of plate tectonics provides enough explanation as it suggests that the earth's outer layer is composed of plenty of rocks that move constantly to shape the land-scape of the earth.
In general, Alfred Wegener's hypothesis does not explain the mechanism behind the rotation of continents.
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What safety measures could be considered to safeguard the lives of railway commuters? Substantiate your response.
The safety measures that could be considered to safeguard the lives of railway commuters are:
Pay attention to the pavement markers.Do not attempt to retrieve anything you drop on the tracks.On station platforms, when driving or strolling, pay attention to oncoming trains.Never cross over or between the rails.Only cross at approved crossings.Always prepare for a train.Why is safety important in a rail environment?Safety measures are seen as those actions as well as safeguards put in place to increase security, i.e., lower risk to human health.
Note that Chemical analysis is one of the usual safety procedures. sample testing that is destructive. The Priority one is to establish a secure environment.
Therefore, in regards to railway commuters, the top aim was to provide a safe and effective working environment for employees and customers, which included dealing with anti-social behavior and protecting frontline staff as well as preventing incidences of self-harm and fewer falls at rail stations.
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Explain why Mount Rainier is classified as an active volcano?
Answer:
Mount Rainier experiences about 20 small earthquakes a year, making it the second most seismically active volcano in the northern Cascade Range after Mount St. Helens.
Explanation:
Answer:
Mount Rainier experiences about 20 small earthquakes a year, making it the second most seismically active volcano in the northern Cascade Range after Mount St. Helens.
Explanation:
identify the true statement. choose one: a. radiometric dating can be used only if some uranium is present in a rock. b. dating a sand grain in a sandstone gives the age of the sandstone's formation. c. all of the possible answers are correct. d. dating a mineral within a metamorphic rock gives the age when the rock cooled below the closure temperatures of that mineral.
The correct answer is option D.
Dating a mineral within a metamorphic rock gives the age when the rock cooled below the closure temperatures of that mineral.
The method to date a mineral by using radioactive isotopes within a metamorphic rock to determine its age is called radiometric dating.
In general, minerals are found in organic matter such as wood, shells and bones, and rocks. Radioactive isotopes are found in minerals. The comparison between the parent and daughter isotopes can be used to determine the age of the mineral.
Only igneous rocks can be dated radio-metrically due to their single date of origin. However, both metamorphic and sedimentary rocks can not be dated.
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loose sediments become sedimentary rock by a. recrystallization and dissolution. b. dehydration and crystallization. c. compaction and cementation. d. carbonation and precipitation. e. all of these are correct.
The correct answer is option C.
Loose sediments become sedimentary rock by compaction and cementation.
Sedimentary rocks are composed of sediment fragments or remains of dead organisms which are collected and accumulated over time and then transformed into rocks under extreme temperature and pressure.
The deposits of these rocks are found on the surface of the earth which convert into distinctive layers when older rocks retain below the new rock deposits.
The distinctive layers of sedimentary rocks are called bedding and are exposed by natural processes such as erosion, weathering and deformation.
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the epicenters of earthquakes are located select an answer and submit. for keyboard navigation, use the up/down arrow keys to select an answer. a at random places on the earth's surface. b mostly near the earth's equator. c mostly along continental boundaries. d mostly along the edges of moving plates. e mostly in the centers of oceans.
The correct answer is option D.
The epicenters of earthquakes are located mostly along the edges of moving plates.
A sudden shaking of the earth's surface as a result of the transfer of seismic energy across layers of the earth is called an earthquake.
Earth's crust comprises tectonic plates and the movement of rocks or tectonic plates along one another causes earthquakes.
Many earthquakes take place in narrow regions of the geologic faults where most plate tectonics move relatively to one other.
The movement in which plates come across is called a convergent movement, and along the divergent boundary, plates slide away from each other this movement is known as a divergent movement.
Similarly, when plates slide past each other, this is called transformation.
In general, the epicenters of earthquakes are the focus points from where seismic waves originate outward in all directions and shaking the certain part of the earth.
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where is Bangladesh? And what is the percentage of mountains there?
Bangladesh is a state present in the country of India. Nearly ten percent of Bangladesh contains mountains and hills.
Bangladesh is primarily a low-lying land. Hence 71% of its land is used for agricultural purposes.
Bangladesh is surrounded by hills in various directions. Chittagong hills in the southeast, the Low Hills of Sylhet in the northeast. There are significant highlands present in the north and northeast as well.
The Chittagong Hills are the most significant and contains at least 75 mountain peaks. The forest cover of Bangladesh is 12%. The highest of all is the mountain peak (Mowdok Mual).
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sedimentary environments on land differ because of variations in blank . multiple select question. oxygen isotope ratios gravity topography local geology amount of water
The sedimentary environment is the specific depositional setting of a certain sedimentary rock, which is distinct in terms of physical, chemical, and biological properties.In Geology, sedimentation occurs in three major environments: marine, transitional, and continental.Each environment has unique characteristics that set it apart from the others. And the structure and texture of sediments will alter depending on the depositional environment.The properties of sedimentary rocks allow us to interpret ancient depositional environments, such as the evolution of animals and the conditions in which they lived, how climate has changed throughout Earth history, where and when faults were active, and so on.
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