asked 220k views
9 votes
‘A’ is formed by the interdependence between two organisms ‘B ‘and ‘C’ for mutual benefit. This relationship is also referred to as ‘D’. ‘A’ is also a pollution indicator. Identify A, B, C and D.

asked
User Hang Du
by
7.5k points

2 Answers

0 votes
The answer is B hope this helps
answered
User Webber
by
8.3k points
5 votes
the answr is B your welcome !
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