Q: What do you call any substance in food that the body needs? A:
OPTIONS:
- dietary
- antioxidant
- beneficial
- a nutrient
a nutrient

Q: Coral reefs and tropical rainforests are ecosystems known for what, contributing greatly to the species in existence on earth? A:
OPTIONS:
- commensalism
- mass migrations
- spontaneous mutation
- biodiversity

Answer: biodiversity

Question: Q: As a cell grows, its volume increases more quickly than its what? A:
OPTIONS:
- density
- age
- weight
- surface area
Answer: surface area

input with options: Q: The burning of what type of fuels is a major source of sulfur oxides and nitrogen oxides? A:
OPTIONS:
- biofuels
- renewable
- synthetic
- fossil
output: fossil

Q: Q: Planets are held by the force of gravity in elliptical orbits around what? A:

OPTIONS:
- earth
- mars
- jupitor
- sun

A: sun

Q: Rust consists of oxides of what element? A:
OPTIONS:
- Copper
- Gold
- Aluminum
- iron
iron