Question

1 (i) Which of the following is not an effect of deforestation?
a) Soil erosion
b) Draught
c) Flood
d) Increase in oxygen level​

Answer 1

Answer:

d)

Explanation:

a) the soil erosion is is the wash away of soil and nutrients .so not soil erosion

b) drought is the very little rain happening and shortage of water .So not draught

c)a flood is a overflow of water. so not flood.

d) increasing of oxygen level is better for us so that we can breathe in fresh air. so it is good

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Answer 2

d) Increase in oxygen level is not an effect of deforestation.

• Deforestation is defined as the loss of forest area. It has negative impact on every aspect of nature, effecting wildlife, atmosphere and terrestrial habitants.
• Plants and trees are the source of oxygen, hence, decrease in there number decreases oxygen levels.
• Deforestation loosens the soil and degrades it's quality, the water retention and absorption capacity decreases, which contributes to flood.
• Soil erosion occurs as no trees remains to capture and hold the soil from flow of flood.