Problem:OPTIONS:
- magnetic compound
- localized compound
- covalent bonds
- ionic compound

Q: The name of the cation comes first, followed by the name of the anion, in what kind of compound? A:
****
A: ionic compound

Q: What is the tissue beneath a mollusks' shell called? A:
OPTIONS:
- cartilage
- skin
- mucous
- mantle
mantle

Q: Food is chemical energy stored in what? A:
OPTIONS:
- typical molecules
- oxygen molecules
- DNA molecules
- organic molecules

Answer: organic molecules

Question: Q: Not getting enough calcium may cause what health problem? A:
OPTIONS:
- blindness
- arthritis
- diabetes
- osteoporosis
Answer: osteoporosis

input with options: Q: Why do birds need a light-weight body? A:
OPTIONS:
- for cooling
- water flotation
- food shortages
- to stay aloft
output: to stay aloft

Problem: OPTIONS:
- a induce impulse
- a metabolism impulse
- nerve reaction
- a nerve impulse
Q: Q: What begins when a neuron receives a chemical stimulus? A:
Answer:
a nerve impulse