Answer:

1-C

2-A

3.E

4-B

nananana

Answer:

Column A.

1. Livehood

2. Pollution

3. Shellfish

4. Flies and Insects.

Column B.

A. Contimination of the environment brought by animal waste

B. Carries of disease causing organism

C. source of income

D. Inflamed intestinal and bidy feces

E. Musseld, Oyster, Clams

Explanation:

Answer:

1.C

2.A

3.E

4.B

Hope it helps.