Problem: OPTIONS:
- humans
- water
- air
- sunlight
Q: Q: Secondary pollutants form from chemical reactions that occur when pollution is exposed to what? A:
Answer: sunlight

Problem:OPTIONS:
- obsidian
- magma
- shards
- pyroclasts

Q: What are hot fragments of rock called? A:
****
A: pyroclasts

Q: What does urine leave the body through? A:
OPTIONS:
- vagina
- colon
- uterus
- urethra
urethra

Q: Which metal is not solid at room temperature? A:
OPTIONS:
- silver
- aluminum
- titanium
- mercury

Answer: mercury

Question: Q: How many digits do primates have on each extremity? A:
OPTIONS:
- ten
- four
- three
- five
Answer: five

input: OPTIONS:
- photosynthetic
- barren
- trophic
- prokaryotic Now, answer this question: Q: Organisms that lack both a nucleus and membrane-bound organelles are known as what, in general? A:
A:
output:
prokaryotic