input with options: Q: In what human organ system would you find live e. coli bacteria? A:
OPTIONS:
- circulatory system
- respiratory system
- skeletal system
- digestive system
output: digestive system

Q: Q: A salt concentration of 32 percent is nearly ten times that of what abundant resource? A:

OPTIONS:
- oxygen
- fresh water
- algae
- seawater

A: seawater

input: OPTIONS:
- culture
- population
- colony
- biome Now, answer this question: Q: A desert is a type of what community in an ecosystem? A:
A:
output: biome

Q: What are typically named for their major physical or climatic factors in addition to their predominant vegetation? A:

OPTIONS:
- communities
- aqueous biomes
- habitats
- terrestrial biomes

Answer: terrestrial biomes

Problem: OPTIONS:
- stress
- work
- temperature
- friction
Q: Q: What is something that all machines must overcome? A:
Answer: friction

Q: Despite its small size, an erythrocyte contains about 250 million molecules of what? A:

OPTIONS:
- calcium
- plasma
- potassium
- hemoglobin

Answer:
hemoglobin