Question

Which conclusion is best supported by these data?

A.

Silicon is much heavier than iron at Earth's surface.

B.

Oxygen is closer to Earth's surface than aluminum.

C.

Earth's surface is composed mostly of silicon and calcium.

D.

There is more aluminum than calcium at Earth's surface.

Answer 1

The answer is {D} There is more aluminum than calcium at Earth's surface.

Step-by-step explanation:

About 8.2% of the earth's crust is composed of aluminum.