Question

____________ a kind of plants found on the branches of tree; it is very sensitive to pollution.​

Answer 1

Answer:

Lichens are numerous and important organisms in the natural environment that are generally beneficial in nature. The presence of lichens on healthy trees should be welcomed as likely positive indicators of lower levels of air pollution and a reasonably good quality of atmospheric conditions in the neighborhood.

Answer 2

Answer:

lichens found on tree are very sensitive respond to pollution in short time frames