input with options: Q: Metals, metalloids, and nonmetals are the different classes of what? A:
OPTIONS:
- compounds
- structures
- ions
- elements
output: elements

Q: Q: The formula mass of a covalent compound is also called the what? A:

OPTIONS:
- atomic mass
- ionic mass
- nucleus mass
- molecular mass

A: molecular mass

input: OPTIONS:
- lysosomes
- telomeres
- sporozoans
- autsomes Now, answer this question: Q: What term describes all but the sex chromosomes? A:
A:
output: autsomes

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

OPTIONS:
- steroids
- cholesterol
- hydrocortisol
- fats

Answer: fats

Problem: OPTIONS:
- endangered
- inhabit
- remnant
- extinct
Q: Q: What do you call a species that has died out in the past? A:
Answer: extinct

Q: What form do biofuels take that makes them very useful? A:

OPTIONS:
- crystals
- solid
- chemical
- liquid

Answer:
liquid