Consider the following statements:Chlorofluorocarbons, known as ozone-depleting substances, are used1. in the production of plastic foams2. in the production of tubeless tyres3. in cleaning certain electronic components4. as pressurizing agents in aerosol cansWhich of the statements given above is/are correct?

Consider the following statements:Chlorofluorocarbons, known as ozone-

1.	Consider the following statements:Chlorofluorocarbons, known as ozone-depleting substances, are used1. in the production of plastic foams2. in the production of tubeless tyres3. in cleaning certain electronic components4. as pressurizing agents in aerosol cansWhich of the statements given above is/are correct?
A.	1, 2 and 3 only
B.	4 only
C.	1, 3 and 4 only
D.	1, 2, 3 and 4
Answer» D. 1, 2, 3 and 4