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Biology CBSE Live product
Class 8 (2025-26)
Our Home: Earth, a Unique Life-Sustaining Planet
Human impact and need for conservation
4.
Climate change: Causes and consequences
Question:
3
m.
Select the most suitable answer:
Why is deforestation considered a major cause of climate change?
1
.
Trees mainly help in
Volcanic eruptions
Increasing temperature
Absorbing carbon dioxide
Releasing pollutants
2
.
Deforestation leads to
Increased \(CO_2\) levels
Reduced oxygen demand
Volcanic eruptions
Earthquakes
3
.
Which cycle is disturbed due to deforestation?
Carbon cycle
Water cycle
Ecosystem stability
Increased snowfall
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