Question

True/False :
The oceanic crust mainly consists of silica and magnesium
2. Crust is the thickest of all the layers
3. Rocks can be of definite shape and size
Igneous rocks are also called primary rocks.
Basalt is an example of sedimentary rocks.
6. Mantle forms about 16% of the earth's volume
The radius of the earth is 6371 km.
8. Lava is the molten magma from interior of the earth's surface.
5.
7.​

Answer 1

Answer:

2 False

3 True

6 False

8 True