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A location with luxuriant growth of lichens on the trees indicates that the:

  1. A
    trees are very healthy
  2. B
    trees are heavily infested
  3. C
    location is highly polluted
  4. D
    location is not polluted

Solution & Step-by-step Explanation

Lichens are very sensitive to air pollution, particularly . They do not grow in polluted areas. Therefore, their presence indicates that the location is not polluted.

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A location with luxuriant growth of lichens on the trees indicates that the:
A
trees are very healthy
B
trees are heavily infested
C
location is highly polluted
D
location is not polluted

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EcologyPollution Indicators

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