Question

Choose all the answers that apply.

The earth's crust:

is one solid land mass
is broken into pieces
has seven main plates
is mostly made of iron and nickel
is mostly made of silicon dioxide

Answer 1

The correct answers with brief explanation:

Is broken into pieces

- The crust is indeed broken into different pieces, also known as plates, which moves according to the movement of magma.

Has seven main plates

- There are seven main plates indeed, namely the Pacific Plate, Indo-australian Plate, Eurasian Plate, Antarctic Plate, Africa Plate, South America Plate and North America Plate.

Is mostly made of silicon dioxide

- This is correct as the crust is made up of 59% silicon dioxide also known as silica.

Hope it helps!