The prime meridian and its opposite line, the antemeridian, divide the globe into the <u>Eastern and Western</u> Hemispheres.
<h3 /><h3>What hemispheres result from the Prime Meridian?</h3>
The Prime Meridian is an imaginary line of longitude that runs vertically along the middle of the Earth.
It divides the world into the eastern and western hemispheres such that countries on the left are in the western hemisphere and those in the right are in the eastern hemisphere.
Find out more on the prime meridian at brainly.com/question/922876
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<u>Answer:
</u>
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.
Hey There,
The answer to your question is option B) Between 200 and 500 million years old.
These rocks are younger than the Earth and also younger than rocks found on continents. (Those rocks are 4-5 billion years old.)
Best Of Luck,
- Kai -
Is this geometry? if so is there a picture i can look at to help you?
