Q: What are typically arranged into complex tubular networks with extensive surface areas? A:

OPTIONS:
- alveoli
- hair follicles
- Golgi apparatus
- transport epithelia

Answer: transport epithelia

Problem: OPTIONS:
- plants
- air
- blood
- water
Q: Q: Terrestrial biomes are associated with land, while aquatic ones are associated with what? A:
Answer: water

Problem:OPTIONS:
- interdependence
- adaptations
- chemical attraction
- independent cells

Q: What does the activity of an organism depend on the totality of? A:
****
A: independent cells

Q: What is the most abundant element in the universe? A:
OPTIONS:
- oxygen
- helium
- fluoride
- hydrogen
hydrogen

Q: What is the gas that gives rotten eggs and sewage their distinctive smell? A:
OPTIONS:
- calcium sulfide
- methane
- hydrogen peroxide
- hydrogen sulfide

Answer: hydrogen sulfide

input with options: Q: What molecules with a nitrogen base are the basic components of nucleic acids? A:
OPTIONS:
- sporozoans
- enzymes
- nuclides
- nucleiotides
output:
nucleiotides