Question

C. Water pollutio
a. Noise pollution b. Air pollution
2. Most polluted river in the world is
a. Yamuna
b. Cavery
3. Air pollution causes
C. Chenab
d. Ganga​

Answer 1

Answer:

Most polluted river in world from the following options is Ganga.

Air pollution causes:-

Factor and industries emissions.

Vehicle exhausts

Fire crackers

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