Question

Question 1

Fill in the Blanks.

i. We cannot see air but we can …….

ii.The blanket of air surrounding the earth is known as…….

iii……. is essential for supporting life on the earth.iv. Air occupies …....

v.Winnowing is more effective in ……... air.

Q2. True/False

i. Air is found everywhere.

ii. Soil does not contain air.

iii. The moving air makes it possible for you to fly your kite.

iv. Carbon dioxide supports burning of a candle.

v.Birds, bats and insects can fly due to the presence of air.

Q3. Which is the major component of air?

Q4. What percentage of air is nitrogen?

Q5. Which gas is important for burning to occur?​

Answer 1

Answer:

1 feel

Explanation:

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Answer 2

Feel it
Atmosphere
Oxygen
Space
Wind blowing
(2)
True
False
True
True
True

(3)
Oxygen , nitrogen
78 %
Oxygen


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