input: OPTIONS:
- die
- suffer
- reproduce
- benefit Now, answer this question: Q: Mutualism is a symbiotic relationship in which both species do what? A:
A:
output: benefit

Q: Unburned hydrocarbons can more easily be converted to carbon dioxide and water in the presence of a what? A:

OPTIONS:
- temperature
- methane
- Ethanol
- catalyst

Answer: catalyst

Problem: OPTIONS:
- in to out
- left to right
- low to high
- high to low
Q: Q: How does air always flow? A:
Answer: high to low

Problem:OPTIONS:
- resistance
- tension
- thrust
- friction

Q: What is the force that slows down or stops motion? A:
****
A: friction

Q: All species of crocodilians have similar body structures, including an elongated snout, powerful jaws, muscular tail, large protective scales, streamlined body, and eyes and nostrils that are positioned on what? A:
OPTIONS:
- below the neck
- back of head
- side of head
- top of head
top of head

Q: Hydrogen peroxide is commonly sold as a 3% by volume solution for use as a what? A:
OPTIONS:
- detergent
- antiseptic
- surfactant
- disinfectant

Answer:
disinfectant