Problem: OPTIONS:
- thermal energy
- microwaves
- isotopes
- electrical signal
Q: Q: Solid-state radiation detectors convert ionization produced in a semiconductor (like those found in computer chips) directly into what? A:
Answer: electrical signal

Problem:OPTIONS:
- nitrogen
- oxygen
- sodium chloride
- carbon dioxide

Q: What gas is contributing to the greenhouse effect? A:
****
A: carbon dioxide

Q: What term means the time in which half of the original number of radioactive nuclei in a sample decay? A:
OPTIONS:
- reduced life
- quarter-life
- partial-life
- half-life
half-life

Q: Dolphins are what type of animal? A:
OPTIONS:
- reptile
- fish
- whale
- mammal

Answer: mammal

Question: Q: What unit of measure is equal to the amount of work a horse can do in 1 minute? A:
OPTIONS:
- joule
- watt
- torque
- horsepower
Answer: horsepower

input: OPTIONS:
- it is cold
- it is pressurized
- it is stagnant
- it is dark Now, answer this question: Q: Why does photosynthesis not occur in the deep-water zone? A:
A:
output:
it is dark