Question: Q: The waves on the strings of musical instruments are transverseso are electromagnetic waves, such as visible light. sound waves in air and water are this? A:
OPTIONS:
- symmetrical
- hydroelectric
- horizontal
- longitudinal
Answer: longitudinal

input with options: Q: What form do biofuels take that makes them very useful? A:
OPTIONS:
- crystals
- solid
- chemical
- liquid
output: liquid

Q: Q: What type of oil is being explored to replace petroleum products in lubricants? A:

OPTIONS:
- essential oil
- diesel
- whale oil
- vegetable

A: vegetable

input: OPTIONS:
- ceramic gland
- bladder gland
- blood gland
- rectal gland Now, answer this question: Q: What do sharks use to secrete salt to assist in osmoregulation? A:
A:
output: rectal gland

Q: What can alkenes and alkynes be reduced with to form alkanes? A:

OPTIONS:
- acids
- oxygen
- enzymes
- hydrogen gas

Answer: hydrogen gas

Q: Q: What is the term for learning by watching and copying the behavior of someone else? A:

OPTIONS:
- consequential learning
- associative learning
- classical conditioning
- observational learning

A:
observational learning