input with options: Q: What is harmless water vapor, for a powerplant? A:
OPTIONS:
- wind
- plasma
- fog
- steam
output: steam

Q: Q: What is the force of attraction that holds together positive and negative ions? A:

OPTIONS:
- electron bond
- magnetic bond
- integral bond
- ionic bond

A: ionic bond

input: OPTIONS:
- nothing
- rebound
- impede
- repulse Now, answer this question: Q: Opposite charges attract and like charges do what? A:
A:
output: repulse

Q: What is caused when circulating blood puts pressure on the walls of blood vessels? A:

OPTIONS:
- aneurysm
- atherosclerosis
- high cholesterol
- blood pressure

Answer: blood pressure

Problem: OPTIONS:
- pipe joint
- toe joint
- frame joint
- hinge joint
Q: Q: The elbow is an example of a what type of joint? A:
Answer: hinge joint

Q: Human skin color is primarily due to the presence of what pigment in the skin? A:

OPTIONS:
- tannin
- melatonin
- cytoplasm
- melanin

Answer:
melanin