Q: What is required to break bonds in reactants? A:
OPTIONS:
- food
- gas
- protein
- energy

Answer: energy

Question: Q: What basic structures are called the building blocks of life and comprise all living things? A:
OPTIONS:
- pigments
- seeds
- lipids
- cells
Answer: cells

input with options: Q: The values of which factors are controlled by the experimenter over the course of an experiment? A:
OPTIONS:
- other variables
- independent elements
- independent approaches
- independent variables
output: independent variables

Q: Q: What is most of earth's surface covered with? A:

OPTIONS:
- insects
- sand
- silicon
- water

A: water

input: OPTIONS:
- ball
- root
- glass
- pearl Now, answer this question: Q: What is the term for the hard, round object produced within the mantle of a living shelled mollusk? A:
A:
output: pearl

Question: Q: If the temperature of a gas sample is decreased, what happens to the volume? A:
OPTIONS:
- increases
- stays the same
- expands
- decreases
Answer:
decreases