Q: What is the term for the breakdown of unstable isotopes into stable elements? A:
OPTIONS:
- isotopic decay
- radioactive decrease
- secondary decay
- radioactive decay

Answer: radioactive decay

Question: Q: Diet correlates with the length of what organ system in vertebrates? A:
OPTIONS:
- respiratory
- reproductive
- circulatory
- digestive
Answer: digestive

input with options: Q: What do you call a group of organisms of the same species that live in the same area? A:
OPTIONS:
- system
- ecosystem
- biosphere
- population
output: population

Q: Q: Light can be used to eject what from a solid material? A:

OPTIONS:
- protons
- calories
- neutrons
- electrons

A: electrons

input: OPTIONS:
- sedimentation
- water cycling
- erosion
- precipitation Now, answer this question: Q: What is it called when liquid water falls from the sky? A:
A:
output: precipitation

Question: Q: Ionic bonds are what kind of attraction between ions? A:
OPTIONS:
- kinetic
- magnetic
- nuclear
- electrostatic
Answer:
electrostatic