Question

E. Answer the following:
1. What is atmosphere?
2. What makes Earth a unique planet?
3. Why is atmosphere so important for
4. Describe the composition of the
atmosphere.
5. What are the main gases in the
The day
atmosphere? Write the characteristics of the a
each of them.
dynamiबाय दी अट मोस्ट फेयर शो इंपॉर्टेंट फॉर अस ​

Answer 1

1. The blanket of air around the earth is known as atmosphere

2. Features that make earth a unique planet are :-

a) It has water which is not on any other known planet

b) It has an atmosphere

c) It has oxyegn which is essential for survival

d) The gravity is not too high and nor too low which makes it easier to walk

3. Atmosphere is important for survival as it have air which contains oxygen

In one of the layers of atmosphere there is ozone gas which protects us from harmful rays of sun

4. Nitrogen — 78 percent. Oxygen — 21 percent. Argon — 0.93 percent. Carbon dioxide — 0.04 percent

5. Nitrogen — 78 percent.

Nitrogen — 78 percent.Oxygen — 21 percent.

Nitrogen — 78 percent.Oxygen — 21 percent.Argon — 0.93 percent.

Nitrogen — 78 percent.Oxygen — 21 percent.Argon — 0.93 percent.Carbon dioxide — 0.04 percent.

Nitrogen — 78 percent.Oxygen — 21 percent.Argon — 0.93 percent.Carbon dioxide — 0.04 percent.Trace amounts of neon, helium, methane, krypton and hydrogen, as well as water vapor.