<u>Answer:
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The build-up of three oxygen created our ozone layer around two billion years ago.
<u>Explanation:
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- 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.
Answer:
The application of scientific knowledge to solve problems or create new products is inter dependant with curiosity
It would be a problem because it would cause the land in Mexico City to sink.
he point where the three angle bisectors of the triangle intersect
I think this is true, but check the other answers to make sure. i hope this helps you.
