Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions

A. industrial

B. business

C. working

D. manufacturing

A. sets in

B. does up

C. stands for

D. gets down

A. flood

B. drizzle

C. shower

D. smog

A. endangered

B. extinct

C. threatened

D. disappeared

A. urban

B. commercial

C. land

D. rural

A. injury

B. pollution

C. damage

D. hurt

A. enhance

B. protect

C. make

D. build

A. exhaust fumes

B. smokes

C. wastes

D. emissions

A. pesticides

B. exhaust fumes.

C. toxic waste

D. emissions

A. agriculture – pesticides

B. agriculture - fertilizers

C. crops – fertilizers

D. crops - pesticides