1. How should non-decaying wastes be disposed?

A. by composting B. reusing C. recycling D. both B and C

2. What should people do with the garbage to prevent oneself from getting sick?

A. dispose waste materials properly

B. take medicine

C. throw the waste materials anywhere in your surroundings.

D. drink untreated water.

3. The following changes in the materials are used to the environment except

A. using eco bag when buying groceries.

B. using both sides of paper

C. using pesticides in killing insects.

D. using plastic bag when shopping

4. Which of the following changes in the materials is useful to environment?

A. throwing garbage in the canal

B. using paper bags when shopping

C. throwing hospital waste into river

D. using plastic bags when shopping

5. If you are going to dispose waste materials commonly found at home, what are you

going to do with the decaying materials?

A. make a compost

B. mix them with the non-decaying

C. throw them in the river

D. keep them in the cabinet and use them again​