question_answer

Read the given statements carefully and say which one of them in true?

I. Houseplants can reduce indoor air pollution.

II. Air has no weight.

III. Burning of garbage in open leads to air pollution.

IV. Bathing of animals in river pollutes the water of the river.

A)  Only I is true                

B)  Both II and III is true

C)  II, III and IV is true       

D)  I, III and IV is true

E)  None of these