Problem:OPTIONS:
- tannin
- melatonin
- cytoplasm
- melanin

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

Q: What atmosphere do gills help exchange gas in? A:
OPTIONS:
- stratosphere
- ecosystem
- air
- water
water

Q: What does lattice energy of an ionic solid measure the strength of? A:
OPTIONS:
- metals
- atoms
- electrons
- bonds

Answer: bonds

Question: Q: The goal of homeostasis is the maintenance of what, around a point or value called a set point? A:
OPTIONS:
- agitation
- steadiness
- imbalance
- equilibrium
Answer: equilibrium

input with options: Q: What is produced during a condensation reaction? A:
OPTIONS:
- rain
- wind
- fire
- water
output: water

Problem: OPTIONS:
- metabolytes
- chlorophyll
- hydrogen
- energy
Q: Q: After citric acid forms, it goes through a series of reactions that release what, which is then captured in special molecules? A:
Answer:
energy