Fill in the blanks : and goes 1. When air is heated it expands, becomes 2. protects us from the harmful ultraviolet rays of the Sun
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Answered by
1
Answer:
Answer is
1. Water vapour
2. Ozone layer
Answered by
0
Answer:
1) When air is expanded it becomes less densed.
2)Ozon layer protects us from the harmful ultraviolet rays of Sun
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