Deforestation of rainforests would most likely affect such plants by causing , which could result in the
of some plants with medicinal properties. This situation represents a risk to the
humans receive from ecosystems.

Loss of habitat and extinction.

Explanation:

Deforestation causes the destruction of beneficial plants such as medicinal plants. Due to this destruction, they loss their habitat and gradually become extinct. The extinction of these medicinal plants makes the survival of human difficult because from these medicinal plants medicine are formed which can be used for the treatment of various diseases so deforestation has adverse affect on humans.

d i think its   answer d

the answer is:

carbon dioxide