MG

PXH

BVT

PWE

HMM

A. crust.

B. mantle.

C. magma.

A. liquid and made from aluminium and silicon.

B. liquid and made from iron and nickel.

C. solid and made from aluminium and silicon.

D. solid and made from iron and nickel.

A. Material in the Earth's interior is more dense than the crust.

B. Sedimentary rocks are more dense than metamorphic rocks.

C. The density of rocks decreases with increased depth.

D. The rocks of the crust are more dense than the material in the interior.

A. Carbon dioxide and nitrogen

B. Carbon dioxide and oxygen

C. Hydrogen and oxygen

D. Nitrogen and oxygen

A.

B.

C.

D.

N

N₂

CO₂

O₂

Ar

A

B

C

D