Question

1. …………………. are responsible for extinction of a species.

(a) Loss of habitat

(b) Excessive use of chemical fertilizers and pesticides

(c) Providing habitats for animals in zoo

(d) Clearing of land to plant crops and build road​

Answer 1

Answer:

b

Explanation:

b is the answer do follow

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Answer 2

D) Clearing land to plant crops and build road

Explanation:Because of clearing of land for building road there is deforestation on a large scale and due to that the amount of O2 is decreasing day by day