What composes about 71% of Earth's outermost layer? A
oceanic crust
B
asthenosphere
С
lithosphere
D
continental crust

A. oceanic crust

Explanation:

I remember that the ocean is said to cover 71% of the Earth's surface. If you look at a globe, notice that most all the surface is blue like the ocean.

One other note: the surface is the Earth's outermost layer. Think of it this way: surface implies the top of something, something exposed to the outside.

Therefore, the answer is A. Hope this helps you understand the question more! Have a great day, 'kay?

gravititional force is a force that is acting around you, it is non-contactable and it is a force that pulls you to the core of the earth.

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double the distance = divide strength by 4