input with options: Q: What is the opposite of rarefaction zones, where air molecules in waves are loosely packed? A:
OPTIONS:
- molecules zones
- pressure wave
- measurements zones
- compression zones
output: compression zones

Q: Q: What is the combination of tissues that provides a tough, woody external covering on the stems of trees called? A:

OPTIONS:
- cuticle
- scale
- epidermis
- bark

A: bark

input: OPTIONS:
- bloodstream
- estrogen
- methane
- testosterone Now, answer this question: Q: What drives puberty in male humans? A:
A:
output: testosterone

Q: What substance comes toward earth's crust through mantle plumes? A:

OPTIONS:
- rocks
- water
- gas
- magma

Answer: magma

Problem: OPTIONS:
- migration
- circulation
- procreation
- communication
Q: Q: Sounds, chemicals, and visual cues are examples of what between animals? A:
Answer: communication

Q: Temperature can be defined as the average of what type of energy of the molecules? A:

OPTIONS:
- magnetic
- optical
- potential
- kinetic

Answer:
kinetic