According to the Central Pollution Control Board, particles that are
responsible for causing great harm to human health are of diameter:
a. 2.50 micrometers
b. 5.00 micrometers
c. 10.00 micrometers
d. 7.5 micrometers
NCERT Class XII
Biology - Main Course Book
Chapter 16. Environmental Issues
Answers
Answered by
1
d.7.5 micrometers is in NCERT
Answered by
1
The answer is d. 7.5 micrometers
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