3. Differentiate between variation and heritability

Answer:

Explanation:

Option 4 bescause theres 4 extra cell and they are haploid.

Answer:

A fossil fuels

Explanation:

fossil fuels are Americas biggest energy producers we use things like coal, natural gas, and petroleum

Answer:

B. self pollination

hope it helps!

Answer:

This is beneficial because it decreases the likelihood an entire population will be wiped out by one threat, such as a disease, because many individuals will not be susceptible to the threat. Organisms that reproduce asexually are able to do so at a much more rapid rate.

Explanation:

Answer:

[tex]\boxed {\boxed {\sf A. \ 2 \ m/s^2}}[/tex]

Explanation:

Acceleration is the rate of velocity's change with time.

We can calculate it by dividing the change in velocity over time.

[tex]a=\frac{v_f-v_i}{t}[/tex]

Let's define the variables. The final velocity is 15 meters per second. The initial velocity is 5 meters per second. The time is 5 seconds.

[tex]v_f= 15 \ m/s \\v_i= 5 \ m/s \\t= 5 \ s[/tex]

Substitute the values into the formula.

[tex]a=\frac{15 \ m/s- 5 \ m/s}{5 \ s }[/tex]

Solve the numerator first.

[tex]a=\frac{10 \ m/s}{5 \ s}[/tex]

Divide.

[tex]a= 2 \ m/s/s = 2 \ m/s^2[/tex]

The acceleration of the bus is 2 meters per second squared.

It is false that all members of a food web are equal in abundance and in their relative effects on one another.

A food chain is a network of links in a food web that runs in a straight line from producer organisms to apex predators, detritivores, or decomposer species. A food chain also demonstrates how organisms are connected to one another by the foods they consume. A food chain's levels correspond to several trophic levels. Producers are located on the first trophic level.

A food chain is created by the transfer of nutrients and energy from one creature to another at various trophic levels. Due to the fact that most species consume more than one kind of animal or plant, food chains locally entangle to form a food web.

It is false that all members of a food web are equal in abundance and in their relative effects on one another because A food web's constituents may have impacts that are out of proportion to their abundance. Therefore, it is false.

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Answer:

Student B or answer D

Explanation:

Answer:

No, you need both mass and volume to determine its desity to see if it can float.

Explanation:

Density is the only thing affecting whether something floats or sinks. If an object has a higher density than the fluid it is in (fluid can mean liquid or gas), it will sink. If it has a lower density, it will float. Density is determined by an object's mass and volume.

Answer:

For example, in the food chain, plants move carbon from the atmosphere into the biosphere through photosynthesis. They use energy from the sun to chemically combine carbon dioxide with hydrogen and oxygen from water to create sugar molecules.

Answer:

B.Erosion

Explanation:

Answer:

C Depositions

Explanation:

Answer:

hi

Explanation:

Answer: Gravity Assistance

Explanation: gravity assistance can be used to accelerate a spacecraft.

Answer:

swamps

Explanation:

Answer:

Explanation:

Well, this is one of those physics questions that relies heavily upon technicalities.

Something to remember is work is determined by force*distance.

1. When you are carrying a 15kg backpack, the weight or the backpack itself is quite indifferent. This is because the backpack is moving relative to you, so the backpack isn't doing diddly squat itself. The only force being exerted is yourself against the ground and vice versa because of gravity and Newton's Law, but when you have a horizontal distance (not vertical), the direction of your motion is 90 degrees to the exerted force. When you calculate this out using the formula and cos(90), you'll find the answer is technically 0.

If it were vertically, this'd be different.

2. Again, wording is important. Work is Force times DISTANCE. Key word in this situation, DISTANCE! When you push against a stationary wall (stationary as in, the wall "can do this all day" whereas you definitely can't), you're exerting a force against an object that really, really doesn't want to be moved. Walls in of themselves are MADE to not be moved, that's why they are walls. So, any force you exert is going to get multiplied by a distance of 0, and as we should know from basic times table charts, anything multiplied by 0 will ALWAYS be 0.

So, again, there's technically no WORK done, according to physics. Because again, work is a product of force and distance. So push harder, ya lazy good for nothin weakling!!

3. You can carry anything you want inside a vehicle, it doesn't mean there's any force being done. YOU'RE not doing squat, the vehicle itself is. In a tricycle, if the box is on the tricycle and not affecting you in any way, then there is no force being done despite an obviously moving distance.

By physics definition, there's EFFORT, but no WORK.

Hope this helps a little :)

~Troy

Answer:

C

Explanation:

When plate forms it will be in a cracked area

Answer:

75%

Explanation:

3 100% boys, next a girl is 75%

Hope this helps plz hit the crown :D

Answer:

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Answer: A squirrel climbing up a tree is a way squirrels use kinetic energy to survive. A squirrel colliding with a tree.

Explanation: I know this because the motion of climbing up the tree creates the contact of an object moving over a distance through motion . Therefore energy is lost from the squirrel but that energy is transferred.

Answer:

When a squirrel climbs a tree

Explanation:

Thanks

A pH=-log(10)[H+], from this formula we can deduct that when the number of protons is higher the pH is lower and when the number of protons is lower the pH is higher. This means there are more hydrogen ions in the cytoplasm compared to the inside of an organelle.

B Hydrogen ions are very small particles so they can easily diffuse through the plasma membrane inside the cytoplasm, resulting in a higher number of protons and a lower pH. Organelle membranes have a lower permeability for hydrogen protons so the pH is higher.

Answer:

Lipids!

Explanation:

Lipids are made up of Oils that, when mixed in water or other chemicals, will separate. Since Oils do not mix and float to the top, and since Oils are a type of lipid, the answer is Lipids!

Answer:

Ribosomes, cytoplasm.

Explanation:

Ribosomes are the organelle responsible for translation. Translation occurs in the cytoplasm.

Answer:

someone already answered

Answer:

Cellular respiration moves carbon from the atmosphere to geosphere.

Cellular respiration moves carbon from  atmosphere to geosphere. Thus option A and C are correct.

Cellular respiration can be defined as the process  which occurs in every cells mainly mitochondria of plants and animals, it involve in the break down of sugars in the presence of oxygen and releases energy in the form of ATP.

The waste product of this process are carbon dioxide and water during exhalation process done  by lungs,  breathing and cellular respiration are related to each other.

At every step of cellular respiration energy is used in the form of ATP and carry out the normal function. It can aerobic and anaerobic respiration on the basis of use of oxygen.

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Answer:

1.89 feet

Explanation:

Answer:

Sublimation is the transition of a substance directly from the solid to the gas state, without passing through the liquid state.

Explanation:

Answer:

carbon fixation, reduction phase, carbohydrate formation, and regeneration phase.