Question

Give scientific reasons

1 Naphthalene balls kept with clothes to be put away the insects or microbes.


2 Bryophyta is called the ‘amphibians’ of the plant kingdom.


3 E waste is harmf​

Answer 1

1. naphthalene shows sublimation it slowly dissolve in the air and create repulsive fumes for the Larvae.
2. cause these plants though live in soil but they need water for sexual reproduction.
3. electronic waste contain toxic components. they are dangerous for human being such as Mercury,lead, cadmium, polybrominated, flame retardants, barium etc.

Answer 2

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