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____ [38]
3 years ago
10

Read the scientific question below. "Is air pollution related to lichen growth?" What is a likely hypothesis for the question? A

ir pollution must affect lichen growth. No, air pollution does not affect lichen growth. If air pollution is high, then lichen growth is high. If air pollution is high, then lung disorder cases are high.
Biology
2 answers:
ohaa [14]3 years ago
4 0
I think the hypothesis is “if air pollution is high, then lichen growth is high” because it uses If and then and it is must related to the question.
Romashka-Z-Leto [24]3 years ago
4 0

Correct answer: A). Air pollution must affect lichen growth

Lichen is used as an air pollution indicator. These are the plants that grow on rocks, tree bark. The air pollution dissolved in rainwater, mainly sulfur dioxide cause damage to lichens, and affect their growth.

Actually, they are highly sensitive to sulfur dioxide concentration, they live in association with algae, and their algal partner get affected by the sulfur dioxide concentration. As they damage chlorophyll as a result chlorophyll do not take place and inhibit photosynthesis.

So, when there is air pollution lichen can not be found there. Hence, the correct answer would be option A.



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