Question

Grade 7



1. The atmosphere is held in its place due to the --------------- of the earth

2. weather phenomena take place in the ---------------

3. The layer of the atmosphere which is considered safe to fly aeroplanes is ----------------

4. The -------------- layer save us from harmful ultraviolet rays

5. The ------------------ reflects radio waves back to the earth

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Answer 1

Answer:

1.Gravity

2.troposphere

3.Stratosphere

4.Ozone

5.Ionosphere

Answer 2

ANSWER

1. Gravity

2. Troposphere

3. Lower stratosphere

4. Ozone layer

5. Lonosphere

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