Which of the following is not a secondary pollutant_________________?

Related Mcqs:

Which one of the following makes the bulk of hydrospheres content ?

A. oceans B. glaciers & icecaps C. fresh water lakes and ponds D. All have equal distribution...

The percentage of suspended solid waste in raw water is removed by coagulation is__________________?

A. 60 B. 70 C. 80 D. 90...

Pollutants have adverse effect over_________________?

A. Biosphere B. Ecosystem C. Both a & b D. Hydrosphere...

Which of the following is not a heavy industry ?

A. iron B. fertilizer C. paper D. none...

Ozone hole is substantial depletion of ozone in every year during__________________?

A. Aug – Nov B. Sep – Nov C. Nov – Dec D. Dec – Jan...