What were the early photosynthetic bacterial colonies that pumped oxygen into the
atmosphere?

Answers

Answer 1

Answer:

tiny organisms

Explanation:

The answer is tiny organisms known as cyanobacteria, or blue-green algae. These microbes conduct photosynthesis: using sunshine, water and carbon dioxide to produce carbohydrates and, yes, oxygen.


Related Questions

What are three cities that are located in the subtropical sub humid region if this map?

pleaseee I need helppppp​

Answers

Which map? Is found in Southern Hemisphere continents....... São Paulo, Burma’s Aires, Porto Alegre and Montevideo...


I’m sorry if I’m wrong.

Read the passage below and answer the question that follows.

Christine wiped away the last of her tears. She didn’t know what had come over her. Normally she was a confident girl, but now she felt so abashed. At the sound of her name being called, she turned and dashed into an empty classroom. She didn’t want her friends to see her like this. She knew it was just a stupid test on the Civil War, but she had studied so hard for it. She had been so sure she was going to pass.

Based on the passage above, what does the word abashed mean?
A.
embarrassed
B.
intelligent
C.
cheerful
D.
sleepy

Please select the best answer from the choices provided

Answers

The answer is A. embarrassed.

Answer:

A.

Explanation:

Why were the Spanish interested in conquering the Inca? Include details from the reading you completed on the website.

Answers

The Spanish were interested in conquering the Inca because:

they wanted the wealth the Inca possessed they wanted the land and resources the Inca empire ruled over

The Inca empire was uncountably the largest empire in the Americas when the Spanish reached the continent.

The empire boasted of:

a territory of over 690,000 mi²population of over 10,000,000 people riches in gold from tributaries

When the Spanish saw all these, they sought to control it. Francisco Pizarro therefore got the blessing of the Spanish Crown to conquer these lands and take the wealth of the Inca for the Spanish.

In conclusion, the Spanish conquered the Inca not only for gold, but to take over their territory and influence as well.

Find out more at https://brainly.com/question/15108946.

Answer:

My personal answer:

They were interested in the wealth that they could obtain by conquering the Inca Empire.

The sample answer for the question:

The Spanish had heard tales of gold and riches in the Inca Empire and wanted to increase their wealth.

(Either one will work for getting the question right)

Maps, globes, satellite images, notebooks, pictures and recordings, just to
name a few.*
A geographer
B spatial relationships
C conic projection
D geographers tools

Answers

Answer:

D. Geographers tools

Explanation:

GEOGRAPHERS TOOLS can be defined or seen as the essential tools which a geographers needs to help and enable them to carryout their tasks smoothly, to enable them to collect important data, to help them to effectively describe, to investigate, to explain the earth structure as well as to know the answer to the questions about their giving tasks.

Therefore GEOGRAPHERS TOOLS includes the following:

Maps, globes, satellite images, notebooks, pictures and recordings, GIS which is fully known as Geographic Information systems, among others.

Compare the behavior of an endotherm and an
ectotherm on a hot summer day. How does each
organism respond to changes in the environment?

Answers

Answer:

HI HELLO THEY 1235

Explanation:

HI HELLO THEY 1235

Answer:Endotherms are able to maintain a constant body temperature. An endotherm may respond to a hot summer day by sweating or panting. The body temperature of an ectotherm, on the other hand, changes with its surroundings. In order to stay cool, an ectotherm must move somewhere cooler like the shade of a plant or rock or seek cool water to lay in.

Explanation:

Categories or characteristics of people used in studies of population is called __________.

Answers

A statistical population is a set of entities from which statistical inferences are to be drawn, often based on a random sample taken from the population. For example, if we are interested in making generalizations about all crows, then the statistical population is the set of all crows that exist now, ever existed, or will exist in the future. Since in this case and many others it is impossible to observe the entire statistical population, due to time constraints, constraints of geographical accessibility, and constraints on the researcher’s resources, a researcher would instead observe a statistical sample from the population in order to attempt to learn something about the population as a whole.

why do we have to eat?

Answers

To live it’s something we need to survive

Answer:

A food is something that provides nutrients. Nutrients are substances that provide: energy for activity, growth, and all functions of the body such as breathing, digesting food, and keeping warm; materials for the growth and repair of the body, and for keeping the immune system healthy.

Which of these causes of migration is an example of a pull factor?
O
A warfare
B. poverty
O
C. job availability
O D. an earthquake

Answers

Answer:

C

Explanation:

pull factor gives someone a reason for why they would want to migrate to that area. earthquakes, poverty, warfare, are all negative reasons and should be the opposite as to why someone would want to migrate.

Explain valence electrons.

Answers

Valence electrons, then, are electrons in the outermost shell of the atom that determine an atom's or group's ability to bond with others. In chemistry, a group refers to two or more atoms that are specifically arranged.

Hoped that helped

How could GIS mapping be helpful in determining where to build a housing development?

Answers

Answer:

GIS technology is used heavily in the realm of housing development. Building a new housing development is inherently geographical.

With a GIS mapping system in place for your project:

have up-to-date aerial photography of your area

overlay parcels of land depicting owner/assessment etc

overlay of zoning areas

overlay of utilities and easements

with this information you can then use the GIS mapping system to help you locate a new project in your community

Anyone know the answer

Answers

The answer is prediction
PREDICTION!!! Pls give brainliest I need to ask questions too but I have no points :((

Convection of heat on Earth requires which of the following?

Question 2 options:

air
water
magma
any of these

Answers

Answer:

any of these

Explanation:

Convection of heat on earth requires any of these.

Convection of heat is the transfer of heat energy in a medium that could be air or water. As the heated medium is moved out of the source of heat, convection would occur.

When radiation from the sun touches rocks for instance, the rocks would become warm. When the temperature of the rocks increases, heat energy would be released that causes air bubbles that are hotter than the environment.

Read more on https://brainly.com/question/13485085?referrer=searchResults

In what order do the Sun, Moon and Earth need to be in for a lunar eclipse to occur?

The Sun, Earth then Moon
The Earth, Sun then Moon
The Sun, Moon then Earth
The Moon, Sun then Earth

Answers

Answer: The Sun, Moon, then Earth

Explanation:

Answer:

The Sun, Moon, then Earth.

Explanation:

Basically when the moon is between the Sun and the moon where the moon is blocking the Sun from Earth.

1.
Hot desert climates and equatorial climate are a part of this region.
2.
Separated into two groups: the polar climate and the subarctic climate.
3.
Mediterranean climate is a part of this region.
4.
Patterns of weather throughout a long period of time.
a.temperate region
b.tropical region
c.arctic region
d.climate

Answers

The answer to each question is. 1:A 2:C 3:B 4:D

1. is A.

2. is C.

3. is B.

4. is D

There's your answers! :D

How many planets are there? ​

Answers

Answer:

There are eight planets in our Solar System.

Based on the current IAU (International Astronomical Union) definition of planet there are 8 :

Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune

Explain why the earth would be better or worse after mining and reclamation

Answers

Answer:

Explanation:

Reclamation is very important for the environment since mining can disrupt and destroy habitats and if we don't mitigate that damage then the land would be ruined after the mining operations stop. So to fix that mining companies rebuild the land they destroy after they are done for new habitats to form and to save ecosystems and animal and plant life.

1. Why did people migrate from 1,600,000 – 10,000 BC

Answers

If you look at a map from early human migration, you will see glaciers.

They moved because of the more colder climate change in the area they were in; the benefits of moving to a more warmer climate is more stable food supply, fertile land, and resources.

what are 7 major cultural regions historians commonly use to study the word ?

Answers

Answer:

The seven cultural regions are seven areas where native americans developed different ways of living. The seven cultural regions are North America, South America, Europe, Africa, Asia, Australia, and Antarctica.

In what ways do California and Texas textbooks portray immigration differently?

Answers

Answer:California and Texas textbooks portray immigration differently because the California textbook shows more important information than the Texas textbook.

Explanation:

Can someone help me ? I need enough information for a complete sentence

The question is: What Factor would cause Location F to have a colder yearly climate than any other location

Answers

Answer:

The location of the sun.

Explanation:

The sun is not very close to the northern hemisphere so it would be much colder since the sun isn't producing much heat energy for that part of the hemisphere.

Analyze the population shifts that occurred in the United States between 2000 and 2004. Which regions were gaining population, and which regions were losing population? Why was this process taking place?

Answers

Answer:

Human population changes due to population dynamics as birth, death and migration.

Explanation:

The shift in the population of the US occurring during the year 2000 to 2004 as a result of the movement from the northeast,  midwestern regions to the north and south west and to the southeast.  Places like California and NY were losing population due to the high cost of living. States like Michigan had high unemployment rates. Other states gained population due to the lower living costs and availability of jobs.

Answer:

Answer:

Human population changes due to population dynamics as birth, death and migration.

Explanation:

The shift in the population of the US occurring during the year 2000 to 2004 as a result of the movement from the northeast,  midwestern regions to the north and south west and to the southeast.  

Places like California and NY were losing population due to the high cost of living. States like Michigan had high unemployment rates. Other states gained population due to the lower living costs and availability of jobs.

Explanation:

Which country's economic success is primarily dependent on a man-made water feature linking the Atlantic and Pacific? *

Cuba
Panama
Brazil
Paraguay

Answers

Answer:  Panama

Explanation:

The Panama Canal (Spanish: Canal de Panamá) is an artificial 82 km (51 mi) waterway in Panama that connects the Atlantic Ocean with the Pacific Ocean.

Panama is the answer

distance from vega to earth.​

Answers

Answer:

25.05 light years

Explanation:

Why are maps not 100% accurate

PLEASE HELP URGENT

Answers

Answer:

it is quite impossible to accurately depict the size of objects on Earths surface. it is extremely difficult to depict a three dimensional object in to a two dimensional format.

Draw an angle BAC. Extend the sides AB and AC of the angle. Does this change the size of the angle?

Answers

Answer:

No

Explanation:

it makes the lines longer, but it doesn't change the degrees (size) of the angle

Many people are against the use of nuclear power plants because of the risk of meltdown, earthquakes, and tsunamis. However, some groups still argue that nuclear power plants are worth the risk. What is a positive effect of nuclear power plants? Energy can be generated without risking the safety of plant employees. The waste from these plants is used to produce space station materials. The waste from these plants is safe, and its storage and disposal are simple. Energy can be generated without burning fossil fuels.

Answers

Answer: energy can be generated without burning fossil fuels

Explanation: I just took the test and got it right

D ddddddddd bECAUSE I SAID SO

Question 2 of 15
Which is a description of the Cenozoic era?
A. The age of the dinosaurs
B. The era of humans
C. The hottest era
D. The rise of life

Answers

It is C.the hottest era

which is the world's deepest gorge amd in whish country does it lie?​

Answers

Answer:

I think it is the Kali Gandaki Gorge and it's located in Himalayas in Nepal.

Juan Luna is from what province in region 1?​

Answers

Ilocos Norte

the region is Ilocos Norte

is Vancouver in us or canada or both?

Answers

There are two Vancouver so both
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