Directions: Read and answer the questions carefully. These focus on explaining how
changes in matter affect the environment. Write the letter of the best answer.
4. The following activities can be done to candy wrappers. Which of these can help
protect and save the environment?
A. throw garbage into the river
B. scatter candy wrappers in the backyard
C. cut out candy wrappers to make pillows
D. burn candy wrappers because these are biodegradable wastes
5. Water pollution is one of the bad effects in the environment by the changes in
matter. Which of the following can minimize bad effects in the bodies of water?
A. oil spills from a cargo ship
B. bringing trash bins when having a picnic in the beach
C. throwing detergents and other chemicals in the river
D. using bath soap and shampoo in swimming at the beach​