Question

1. What is the Earth made up of!
2. What are the three layers of Earth?
3. What do yon mean by Sial?
4. What is crust? Give its features?
5. What are primary or igneous rocks? What are its types?
6. Give some uses of Minerals.
7. Draw rock cycle.
8. Which one of the following is different from the other three layers with reference to the interior of
the earth?
Crust
b. Mantle
c. Exosphere
d. Core
9. Why is the earth crust called sial?
a. Becure it consist of silica and alumina
b. Because it consist of silica and aluminium
c. Because it constituent are silica and magnesium
d. Because it consist of nickel and ferrous,
10. Which one of the following minerals are foumd in the oceanie crust?
a, Silica and aluminium
b. Silica and magnesium
c. Vickel and silica
d. Ferrous and nickel
11. Which one of the following is the innermost layer of the earth?
a. Crust
b. Nifel Core)
e. Mantle
d. Troposphere
12. What I the radius of the earth?
A. 6371 km
B. 6217 km
C 7000km
D, 7100km
13. Which one of the following terms is used for any natural mass al mineral that make up of earth
crust?
a. Sediments
b. Occanie crust
c. Rock
d. Care​

Answer 1

Explanation:

1. What is the Earth made up of?

Ans. Earth's crust is made up of several elements: oxygen, 46.6 percent by weight; silicon, 27.7 percent; aluminum, 8.1 percent; iron, 5 percent; calcium, 3.6 percent; sodium, 2.8 percent, potassium, 2.6 percent, and magnesium, 2.1 percent .

2. What are the three layers of Earth?

Ans. Earth can be divided into three main layers: the core, the mantle and the crust. Each of these layers can be further divided into two parts: the inner and outer core, the upper and lower mantle and the continental and oceanic crust. Both the inner and outer core are made up of mostly iron and a little bit of nickel.

Please Mark As Brainliest