input with options: Q: Isotopes are named for their number of ______ plus neutrons? A:
OPTIONS:
- electrons
- atoms
- nuclei
- protons
output: protons

Q: Q: What are prepared by the oxidation of secondary alcohols? A:

OPTIONS:
- protons
- more alcohol
- ions
- ketones

A: ketones

input: OPTIONS:
- oxygen
- food
- water
- nonrenewable fossil fuels Now, answer this question: Q: Developing cars that run on hydrogen gas can help solve our dependence on what? A:
A:
output: nonrenewable fossil fuels

Q: What are solid lipids that animals use to store energy called? A:

OPTIONS:
- steroids
- cholesterol
- hydrocortisol
- fats

Answer: fats

Problem: OPTIONS:
- propagation
- disposal
- predation
- dispersal
Q: Q: Because they spread seeds, fruits are an agent of what? A:
Answer: dispersal

Q: What is the science of classifying the many organisms on earth called? A:

OPTIONS:
- general classification
- terminology
- methodology
- taxonomy

Answer:
taxonomy