Answer: I believe the answer is pressure
Explanation:
The answer to this question is B.) China and India. China has apporiximently 700,000,000 people and India has approximently 500,000,000 people. Making up for 36% of the worlds population.
Answer:
No clouds do not always lead to rain
Explanation:
Because, it could be partly sunny which would be sunny with a few clouds.
Dark clouds lead to rain or a thunder storm.
Answer:
D) increased haze and smog caused by auto exhaust and tire particulates.
<u>Answer:
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The build-up of three oxygen created our ozone layer around two billion years ago.
<u>Explanation:
</u>
- The ozone layer is a part of the stratosphere which is located right after the troposphere in the atmosphere of the Earth.
- The ozone gas is made up of the abundance of three oxygen molecules combining with the ultraviolet radiation emitted by the Sun.
- The development of the ozone layer happened around two billion years ago when the oxygen concentration levels on the planet began to rise slowly and gradually.