Give any two ways in which biodegradeable substances would effect the environment.

Explanation

Biodegradable substances affect the environment in the following ways
a. The bidegradable substance such as tree leaves, plant parts and kitchen wastes can be used as humus after composting. This will enhance the fertility of the soil.
b. The biodegradable substances mainly contain carbon These substances after decomposition release that carbon back into the atmosphere.
c. These substances are decomposed by the action of microorganisms. This causes foul smell.
d. During the process of decaying of biodegradable substances, various types of gases are also released in the atmosphere and that causes air pollution