Geography- Crust

Question 1

Very

Answer 1

Thin, solid yet brittle layer

Question 2

Continental crust is

Answer 2

Made up of lighter rocks.

SIAL, made of silicon and aluminium

Question 3

Ocean crust is

Answer 3

Found under lighter SIAL and under oceans.
Made of heavier rocks.
SIMA, made of silicon and magnesium

Question 4

Provide us with

Answer 4

Fertile soil, a place to walk and build infrastructure