Q: What gases move in and out of blood during gas exchange? A:
OPTIONS:
- oxygen, carbon monoxide
- nitrogen, carbon dioxide
- oxygen, nitrogen
- oxygen, carbon dioxide

Answer: oxygen, carbon dioxide

Question: Q: What is the common term for the chemical formula h 2 0? A:
OPTIONS:
- hydrogen
- air
- oxygen
- water
Answer: water

input with options: Q: Many parasites have complex life cycles involving multiple ? A:
OPTIONS:
- features
- viruses
- diseases
- hosts
output: hosts

Q: Q: Where do most ecosystems get their energy from? A:

OPTIONS:
- earth
- heat
- water
- sun

A: sun

input: OPTIONS:
- oxygen
- hydrogen
- chemical dioxide
- carbon dioxide Now, answer this question: Q: What gets released into the atmosphere when fossil fuels are burned? A:
A:
output: carbon dioxide

Question: Q: The organs of female mammals that that produce eggs are called what? A:
OPTIONS:
- testes
- Uterus
- fallopian tubes
- ovaries
Answer:
ovaries