input with options: Q: Compared with the molecules of many other substances, molecules of water are strongly attracted to what? A:
OPTIONS:
- hydrogen
- helium
- nothing
- each other
output: each other

Q: Q: What is a force that opposes motion? A:

OPTIONS:
- tension
- momentum
- thrust
- friction

A: friction

input: OPTIONS:
- cell wall
- upper
- lower
- nucleus Now, answer this question: Q: What part of the cell is surrounded by a membrane and holds the genetic information for the cell? A:
A:
output: nucleus

Q: In flowering plants, male gametophytes are in grains of what? A:

OPTIONS:
- viruses
- bacteria
- nitrogen
- pollen

Answer: pollen

Problem: OPTIONS:
- crystals
- water
- nitrogen
- magma
Q: Q: What rises through solid rocks where conditions are right? A:
Answer: magma

Q: What ultimately results in the cycling of nutrients in ecosystems? A:

OPTIONS:
- molecules between organisms
- chemical bonds
- digestion
- interactions between organisms

Answer:
interactions between organisms