Question

PLEASE HELP ASAP

Earth's crust is _____.

an average of 50 miles thick
thickest under the oceans
made of one large plate
made mostly of igneous rock

Answer 1

mostly made of igneaous rock

Answer 2

I believe it's an average of 50 miles thick

Step-by-step explanation:

did research and the earth is actually thinnest under the ocean and isn't a single plate. It's also made up of mainly oxygen, silicon, aluminum, iron, calcium, sodium, potassium and magnesium, which aren't igneous rocks I believe