Pollution of air and water Worksheet-1
Fill in the blanks:
The cover of air surrounding the earth is called _______.
Substances polluting air, water and earth are called ______.
Presence of undesirable substance in environment that affects living beings directly or indirectly is called ______.
Sulphur dioxide and nitrogen dioxide gases combine with moisture in air and produce ______ which is harmful.
SPM stands for _______.
Milk producing capacity of milking animals decreases due to ______ pollution
Human beings suffer from diseases of trachea and lungs due to ______ pollution
Pollution of air and water Worksheet-2
Match the following:
Pollution of air and water Worksheet-3
(A) Urbanization (B) Excess use of fertilizers
(C) Both (D) None