Q.6 Short answer questions.(Do Any 5)
a) What is waxing and waning?
b) What is greenhouse effect?
c) What are active volcanoes? Give one example
d) What is meant by phases of the moon?
e) Why are tsunamis known as tidal waves?
f) How does noise pollution affect us?
Answers
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The greenhouse effect is a natural process that warms the Earth's surface
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