Question

Match the following.
A
1. plastic
2. kitchen waste
3. sulphur dioxide
4. pollen dust 5. bio gas

B
a) alternative fuel
b) biological air pollutant
c) non-biodegradable
d) air pollutant
e) biodegradable

Answer 1

plastic = non biodegradable
kitchen waste = biodegradable
biogas = alternative fuel
pollen dust = biological air pollutant
sulphur = air pollutant
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Answer 2

Natural contamination is the presentation of exogenous species or hereditarily changed life forms into a situation, and additionally the ecological adjustments that can prompt an alteration of settlements.

It will be extremely helpful.

Organic contaminants incorporate microscopic organisms, molds, buildup, infections, creature dander and feline spit, house dust, bugs, cockroaches, and dust.