1. Choose the letter of the correct answer.
1. Anything that occupies space.
a. globe b. environment c. matter d. surroundings
2. When is a material useful?
a. When the material serves a purpose.
b. When the material brings hazards.
c. When the material brings harm.
d. When the material is toxic.
3. Among the 4 options, which is considered harmful?
a. Plastic bottles
b. Fruit and vegetables
C. Muriatic acid
d. Hardboiled egg​