Question

(5) Why do we need to plant trees?​

Answer 1

Answer:

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Trees release oxygen which we need for our life. They also absorb the carbon-dioxide. ... Trees and plants are the sources of many supply life-saving drugs. They prevent land erosion and guard us against pollution.

Explanation:

I hope it's helpful for you.

Answer 2

Answer:

we need plants and trees to breathe, to get food, etc.

For organisms it is necessary to have plants because they can't make their own food.

so... protect plants, protect yourself.