Q: A rounded hollow carved in the side of a mountain by a glacier is known as? A:
OPTIONS:
- a crater
- a cavern
- a crest
- a cirque
a cirque

Q: Why will water balloons launched into the air eventually burst? A:
OPTIONS:
- heat
- momentum
- friction
- expansion

Answer: expansion

Question: Q: Liquefaction ccurs when the molecules of a gas are cooled to the point where they no longer possess sufficient kinetic energy to overcome what? A:
OPTIONS:
- intermolecular gravitational forces
- gravitational attractive forces
- bonding attractive forces
- intermolecular attractive forces
Answer: intermolecular attractive forces

input with options: Q: Where does digestion take place within an incomplete digestive system? A:
OPTIONS:
- lumbar region
- abdomen
- central nervous system
- gastrovascular cavity
output: gastrovascular cavity

Q: Q: What is the color of mercury oxide? A:

OPTIONS:
- yellow
- orange
- green
- red

A: red

Q: Sometimes two or more distinct phenotypes can each have their advantages and be selected for by natural selection; this is known as what? A:
OPTIONS:
- extra selection
- multiplying selection
- shedding selection
- diversifying selection
diversifying selection