Oxygen is first in abundance of the Earth’s crust.

Earth's outermost layer, consisting of the crust and upper mantle, is called the lithosphere.

‍The _______ is the outermost layer of Mars.​ A: crust B: mantle C: core D: center

The _______ is the outermost layer of Mars. A: crust B: mantle C: core D: center

Where there is an earthquake, energy is ____in one area along a crack in the earth crust. A: ;repelled B: ;released C: ;run D: ushed

At the meeting, the manager wanted to get to the ______ and deal with the issue. A: point B: crust C: exterior D: Gulf

‌The main symptoms of cattle and sheep mange are（ ）​ A: Crust B: Hair loss C: Thickened skin D: Edema

The main symptoms of cattle and sheep mange are（ ） A: Crust B: Hair loss C: Thickened skin D: Edema

Which element is the most abundant one in the crust (by weigh)? A: Si B: O C: Al D: Fe

Of all the elements in the Earth's crust, oxygen is known to be the more common.（） A: Of all B: elements C: to be D: more