Q: Water is recycled constantly through which system? A:
OPTIONS:
- the hydropshere
- the habitat
- the troposphere
- the ecosystem

Answer: the ecosystem

Question: Q: The end of a pine tree branch bears the male cones that produce what? A:
OPTIONS:
- the ovaries
- oxygen
- the stigmas
- the pollen
Answer: the pollen

input with options: Q: What does the tires meeting the road cause when a car accelerates? A:
OPTIONS:
- erosion
- vibration
- thrust
- friction
output: friction

Q: Q: Oxytocin, which stimulates the contractions of labor, is a type of what? A:

OPTIONS:
- metabolite
- inhibitor
- steroid
- hormone

A: hormone

input: OPTIONS:
- customers
- isolators
- producers
- consumers Now, answer this question: Q: Living things that feed on others are generally known as what? A:
A:
output: consumers

Question: Q: What is pressure times area equal to? A:
OPTIONS:
- volume
- mass
- density
- force
Answer:
force