Problem: OPTIONS:
- magnum current
- direct current
- polar current
- alternating current
Q: Q: What type of current do generators in cars use? A:
Answer: alternating current

Problem:OPTIONS:
- energy
- momentum
- resistance
- time

Q: Fermat's principle states that light will always take the path of least amount of? A:
****
A: time

Q: Where do most red algae species live? A:
OPTIONS:
- rivers
- lakes
- seas
- oceans
oceans

Q: Cerebral palsy is a disease caused by injury to what organ as it is developing? A:
OPTIONS:
- heart
- skin
- liver
- brain

Answer: brain

Question: Q: A catalyst decreases the amount of what resource that is required in order to begin a chemical reaction? A:
OPTIONS:
- positive energy
- motion energy
- kinetic energy
- activation energy
Answer: activation energy

input: OPTIONS:
- cartilage
- skin
- mucous
- mantle Now, answer this question: Q: What is the tissue beneath a mollusks' shell called? A:
A:
output:
mantle