Answer:
in 1971 east Pakistan changed its name to Bangladesh.
Explanation:
hope this helps<3
<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.
Between Europe and America Atlantic Ocean, between America and Asia, Pacific Ocean between Africa and Oceania, Indic ocean
Answer: A. the mid-ocean ridges
Explanation:
The features that form the longest mountain range on Earth is the mid-ocean ridges and spans about 40,389 miles around the earth.
The mid-ocean ridge has about 90% of its system under the ocean. They are formed as a result of the movement of tectonic plates.
Answer:
Pollutants are harmful solids, liquids, or gases produced in higher than usual. Air pollution mainly affects those living in large urban areas, where road. and transported from one region to another area located far away.
Explanation:
Took The Assignment :)
