AIR IS OFTEN SEEN AS A MAJOR ENVIRONMENTAL RESULT OF MODERN LIVING....

6. - BÀI GIẢNG THE MID SECOND TERM EXAM 002
BÀI GIẢNG THE MID SECOND TERM EXAM 002

6.

Air is often seen as a major environmental result of modern living.

A. pollution

B. smoke

C. fume

D. sewage