Mention the source and harmful effects of cannabinoids.

mention three harmful effects of acid rain?

Mention three useful and three harmful effects of fungi.

Define drug addiction. Give sources and harmful effects of any four drugs derived from different plant sources.

A harmful effect of smoking is

Describe sources and harmful effectes of air pollution.

Mention any one harmful effect of fungi .

What are harmful effects of sewage?

Mention one harmful effect of global warming.

Mention two harmful effects of ozone depletion.

Give various sources and harmful effects of soil pollution.