"Is air pollution related to lichen growth?"

What is a likely hypothesis for the question?

A. Air pollution must affect lichen growth.

B. No, air pollution does not affect lichen growth.

C. If air pollution is high, then lichen growth is high.

D. If air pollution is high, then lung disorder cases are high.​

Respuesta :

Answer:

If air pollution is high, then lichen growth is high.

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