Question

Cockroach dragonfly and silverfish excrete metabolic nitrogenous wastes by

Answer 1

in the form of uric acids

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Answer 2

hey mate☺

here is your answer -

excretion in cockroach , dragonfly and silverfish -

uric acid.

by , Malpighian tubules ( cockroaches, dragonfly)

I hope it will help you✌