Q: What in saliva protects the lining of the mouth from abrasion and lubricates food for easier swallowing? A:
OPTIONS:
- hairs
- phloem
- spores
- mucus

Answer: mucus

Question: Q: What are the two major atmospheric gases? A:
OPTIONS:
- carbon and helium
- nitrogen and hydrogen
- hydrogen and oxygen
- nitrogen and oxygen
Answer: nitrogen and oxygen

input with options: Q: An electron possesses both particle and these? A:
OPTIONS:
- shock properties
- surging properties
- land properties
- wave properties
output: wave properties

Q: Q: What begins when a neuron receives a chemical stimulus? A:

OPTIONS:
- a induce impulse
- a metabolism impulse
- nerve reaction
- a nerve impulse

A: a nerve impulse

input: OPTIONS:
- air contamination
- ground contamination
- food contamination
- water supply contamination Now, answer this question: Q: What type of contamination causes almost 90% of diarrheal disease worldwide? A:
A:
output: water supply contamination

Question: Q: What helps control the muscles and maintain balance? A:
OPTIONS:
- circulatory system
- muscular system
- lymphatic system
- nervous system
Answer:
nervous system