I think it is 40 percent.hope this helped!
Answer:
The basic reproduction number
Explanation:
<em>It izz wat it izzzz!!!</em>
It is mined for minerals (salt, sand, gravel, and some manganese, copper, nickel, iron, and cobaltcan be found in the deep sea) and drilled for crude oil. The ocean plays a critical role in removing carbon from the atmosphere and providing oxygen.
http://marinebio.org/oceans/ocean-resources/
Soil, sand, and Rock move downslope typically
Answer:
Troposphere.
Explanation:
Humans live most of their lives in the troposphere atmosphere.
