Problem: OPTIONS:
- write about it
- ask God
- decrease measurements
- take many measurements
Q: Q: How do you decrease errors in an experiment? A:
Answer: take many measurements

Problem:OPTIONS:
- pollutants
- catalysts
- carcinogens
- mutagens

Q: What is the term for environmental causes of mutations? A:
****
A: mutagens

Q: What process converts the sun's hydrogen nuclei into helium? A:
OPTIONS:
- solar fission
- nuclear fission
- combustion
- nuclear fusion
nuclear fusion

Q: What type of craniates have backbones? A:
OPTIONS:
- juveniles
- invertebrates
- larva
- vertebrates

Answer: vertebrates

Question: Q: What do some plants produce that protects dormant seeds and aids in their dispersal? A:
OPTIONS:
- roots
- leaves
- stems
- fruit
Answer: fruit

input: OPTIONS:
- southward
- forward
- inward
- outward Now, answer this question: Q: Which direction from the source do pollutants in an aquifer spread? A:
A:
output:
outward