Answer:
It was formed around 4.5 billion years ago when something the size of mars smashed into the Earth, which made matter fly into orbit.
Answer:
Because there is already a presence of soil rather than primary succession which doesn't have a presence of soil
Explanation:
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/
