Which of the following is/are definitely an effect(s) of the rising concern of pollution in the context of the passage?

Indoor air has been 10 to 30 times more polluted than outside air.

The highest demand for air purifiers is from Delhi and its nearby states.

The concern of government towards citizen has increased

The sales of air purifiers has increased up to 200%.

Which of the following is/are definitely an effect(s) of the rising co

1.	Which of the following is/are definitely an effect(s) of the rising concern of pollution in the context of the passage?
A.	The highest demand for air purifiers is from Delhi and its nearby states.
B.	Indoor air has been 10 to 30 times more polluted than outside air.
C.	The concern of government towards citizen has increased
D.	The sales of air purifiers has increased up to 200%.
E.	Only 1 and 4
Answer» B. Indoor air has been 10 to 30 times more polluted than outside air.