Q: What is the organic material that comes from plants and animals that were recently living called? A:
OPTIONS:
- biofuels
- contaminants
- chlorophyll
- biomass

Answer: biomass

Question: Q: Concentration of what, the substance left behind when ocean water evaporates, is about 3.5 percent? A:
OPTIONS:
- hydrogen
- sugar
- quartz
- salts
Answer: salts

input with options: Q: When a metal is oxidized and a nonmetal is reduced in a redox reaction, what is the resulting compound called? A:
OPTIONS:
- soluble compound
- alloy
- magnetic compound
- ionic compound
output: ionic compound

Q: Q: Energy constantly changes back and forth between kinetic and what type of energy? A:

OPTIONS:
- practical
- physical
- mechanical
- potential

A: potential

input: OPTIONS:
- actin
- cyclin
- keratin
- tubulin Now, answer this question: Q: What globular protein is used in the construction of the hollow tube? A:
A:
output: tubulin

Question: Q: What kind of muscle cells undergo twitch-type contractions with long refractory periods followed by brief relaxation periods, allowing the heart to fill with blood for the next cycle? A:
OPTIONS:
- nervous muscle
- skeletal muscle
- smooth muscle
- cardiac muscle
Answer:
cardiac muscle