Question

Q1. Tick the correct option out of the following:

i. The crust comprises two distinct layers of sial and______

a. Sima b. Mantle c. Core

ii. The main constituents of the mantle are iron, silicon and

a. Nickel b. Magnesium c. Aluminium

iii. Sandstone is an example of a

a. Igneous rock b. Metamorphic rock c. Sedimentary rock

iv. ________ are defined as a natural mass of mineral matter in the crust of earth.

a. Minerals b. Rocks c. Resources​

Answer 1

Answer:

sima

aluminum

igneous rock

mineral

Answer 2

Answer:

i sima

ii It contain 22.8%of magnesium although aluminum is also present in some quantity

iii sedimentary rock

iv Rocks

I hope my answers are Right