What is the main reason for ozone depletion?

Which of the following is a biodegradable waste?

Global warming means

An atmosphere is divided into how many zones

Contamination of soil system by considerable quantities of chemicals & substance is known as

The main atmospheric layer near the surface of earth is

Which of following is one of the best solutions to get rid of non-biodegradable wastes is

Physical pollution of water is due to

Organisms which breakdown dead or waste matter into simpler substances are termed as

A network of interconnected food chains is

What does e- waste stand for?

Which of the following plays an important role in the cause of rainfall?

Identify the correct statement with respect to Biogas

Environmental protection is the responsibility of

The process of decomposition of biodegradable solid waste by earthworms is called

Which one of the following cause acid rain?

Which of the following are major
Environmental issues in mining activities?

The science that deals with the relationship of various organisms with their environment is known as

Energy obtained from the Earth's hot interior is called the

Cutting of trees in a forest is called