Problem: OPTIONS:
- electrical circuit
- capacitors
- spark plugs
- magnetic field
Q: Q: Motors are the most common application of magnetic force on current-carrying wires. motors have loops of wire in this? A:
Answer: magnetic field

Problem:OPTIONS:
- artificial preservatives
- factor reactions
- radiation reactions
- chemical reactions

Q: What causes maple leaves to change their colors? A:
****
A: chemical reactions

Q: To solubilize the fats so that they can be absorbed, what organ secretes a fluid called bile into the small intestine? A:
OPTIONS:
- small intestine
- stomach
- spleen
- gall bladder
gall bladder

Q: What type of joint are ball-and-socket, hinge, and pivot examples of? A:
OPTIONS:
- retractable
- artificial
- fixed
- movable

Answer: movable

Question: Q: What are the three types of symbiosis? A:
OPTIONS:
- connectionism , parasitism , commensalism
- commensalism, osmosis, internalization
- internalization , parasitism , commensalism
- mutualism, parasitism, commensalism
Answer: mutualism, parasitism, commensalism

input: OPTIONS:
- ozone
- oxygen
- temperature
- carbon dioxide Now, answer this question: Q: What has the burning of fossil fuels increased in the atmosphere? A:
A:
output:
carbon dioxide