Q: Q: What are the three stages of water? A:

OPTIONS:
- ice, rock, sky
- vapor, earth, internal
- liquid, underground, frozen
- ice, liquid, vapor

A: ice, liquid, vapor

input: OPTIONS:
- hydrogen
- oil
- spores
- water Now, answer this question: Q: Wetlands are environments in which the soil is either permanently or periodically saturated with what? A:
A:
output: water

Q: Lacking a bony endoskeleton, sharks, rays, and ratfish belong to what group of fish? A:

OPTIONS:
- invertebrates
- crustaceans
- freshwater fish
- cartilaginous

Answer: cartilaginous

Problem: OPTIONS:
- boric
- magnesium
- crystalline
- acetic
Q: Q: Vinegar is a solution of which acid? A:
Answer: acetic

Problem:OPTIONS:
- east or north
- west or south
- east or west
- north or south

Q: When warm air rises up to the tropopause, where does it flow? A:
****
A: north or south

Problem:OPTIONS:
- shell
- proton
- electrons
- nuclei

Q: Radioactive isotopes are characterized by an unstable what? A:
****
A:
nuclei