input with options: Q: Another measure of the effectiveness of a machine is its what? A:
OPTIONS:
- aesthetic effect
- cost benefit
- chemical advantage
- mechanical advantage
output: mechanical advantage

Q: Q: Food is chemical energy stored in what? A:

OPTIONS:
- typical molecules
- oxygen molecules
- DNA molecules
- organic molecules

A: organic molecules

input: OPTIONS:
- acid reflux
- headache
- ulcers
- food poisoning Now, answer this question: Q: Bacterial contamination of foods can lead to digestive problems, an illness known as what? A:
A:
output: food poisoning

Q: Pathogens infect many animals and are agents of what? A:

OPTIONS:
- drought
- mutation
- change
- disease

Answer: disease

Problem: OPTIONS:
- oxygen
- carbonate
- energy
- chlorophyll
Q: Q: Leaves respond to these environmental stimuli by producing less what? A:
Answer: chlorophyll

Q: What is the force of attraction between fundamental particles called quarks, called. A:

OPTIONS:
- magnetism
- gravity
- weak nuclear force
- strong nuclear force

Answer:
strong nuclear force