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Mekhanik [1.2K]
3 years ago
12

Form an anology between the cnaries used in coal mines nd the lichens living in tundra ecosystems. Be sure to use the define ter

m of bioindicator in your response
Biology
1 answer:
Tasya [4]3 years ago
7 0

Answer:

3x(5-2y)

Explanation:

Factor 3x out of 15x−6xy

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