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iren2701 [21]
3 years ago
6

How much of the earth's animal life exists in the oceans? 40% 60% 80% 99%

Physics
1 answer:
Alexxx [7]3 years ago
7 0

How much of the earth's animal life exists in the oceans?

80% is the answer.

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Whats the purpose of the metal strip under a car?
mezya [45]

Answer:

It ensures the doors seal properly when closed. This seal will fend off the elements, and prevent water from leaking inside the vehicle. It is further used on windows to seal and protect the windows.

Explanation:

3 0
3 years ago
Just like Coke is a type of soda, __________ is a type of ___________.
gladu [14]

Answer:

  • osmosis diffusion

Explanation:

ok it's correct

8 0
3 years ago
Which statement correctly compares weight and mass?
Varvara68 [4.7K]

Answer:

Option D. Weight varies with location, but mass does not.

Explanation:

To know which option is correct, it is important that we have a background knowledge of mass and weight.

A brief summary of the difference between mass and weight is given below:

1. Mass is the quantity of matter present in an object while weight is the gravitational pull on an object.

2. The SI unit of mass is kilogram Kg) while that of weight is Newton (N)

3. Mass is constant while weight varies by location.

4. Mass can measured using a chemical balance or beam balance while weight can be measured using a lever or spring balance.

With the above information, we can see that mass of an object is always but the weight varies by location.

6 0
4 years ago
A ball of mass 0.200kg with a velocity of 1.50i^m/s meets a ball of mass 0.300kg with a velocity of -0.400 i^ m/s in a head-on,
Monica [59]

Velocities of their center of mass after collisions are found by the following formula as shown in the image:

<h3>What are elastic collisions?</h3>
  • An elastic collision is one in which there is no energy lost during the impact. A moderately inelastic collision occurs when some energy is wasted yet the items do not cling together. The maximum amount of energy is wasted when the objects collide in a perfectly inelastic impact. The kinetic energy doesn't change.
  • It may be two dimensions or one dimension. Because there will always be some energy exchange, no matter how tiny, totally elastic collision is not conceivable in the real world.
  • While the overall system's linear momentum does not change, the individual momenta of the participating components do, and because these changes are equal and opposite in size and cancel each other out, the initial energy is conserved.

To learn more about Elastic collisions refer to:

brainly.com/question/2356330

#SPJ4

4 0
2 years ago
Fossil fuels are burned, transferring their chemical potential energy to heat energy. How are nuclear power stations different?
labwork [276]

Answer:

fossil fuels are natural and limited, nuclear is man made and more toxic

Explanation:

6 0
3 years ago
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