question: Write a question you would see in a school textbook. OPTIONS:
- to remove harmful substances
- to add color
- to increase its supply
- to decrease its temperature
answer: Water is often put through a treatment system before it is used in homes as drinking water. Which is the most likely reason water is treated before people drink it?

question: Write a question you would see in a school textbook. OPTIONS:
- growth of bacteria
- release of energy
- activity of enzymes
- production of oxygen
answer: In the human body, cellular respiration breaks down sugar molecules after they enter the cell. What results from this process?

question: Write a question you would see in a school textbook. OPTIONS:
- Fungi
- Plantae
- Protista
- Animalia
answer:
What kingdom contains organisms that are multicellular, have no chlorophyll, and absorb nutrients from decaying tissue?