Question

Q 5 It is necessary to excrete waste products. Why?​

Answer 1

Answer:

The waste materials produced during the metabolic activities are toxic to the body and must not be accumulated inside and therefore it has to be excreted out from the body by the process of excretion.

Explanation:

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Answer 2

Answer:

No it is not necessary to waste excrete waste product. It is can be helpful for farmer.