Problem: OPTIONS:
- particles
- ions
- protons
- molecules
Q: Q: The conservation of momentum principle can be applied to systems as different as a comet striking earth and a gas containing huge numbers of atoms and these? A:
Answer: molecules

Problem:OPTIONS:
- accelerates it
- creates it
- boosts it
- erodes it

Q: Groundwater does what to the rock beneath the ground surface? A:
****
A: erodes it

Q: Some gametophytes develop underground and form mycorrhizal associations with what? A:
OPTIONS:
- protists
- plants
- animals
- fungi
fungi

Q: Filter feeders, such as sponges, pump water into their body through what structures? A:
OPTIONS:
- fibers
- lungs
- valves
- pores

Answer: pores

Question: Q: Peroxisomes perform a couple of different functions, including lipid metabolism and chemical detoxification. in contrast to the digestive enzymes found in lysosomes, the enzymes within peroxisomes serve to transfer hydrogen atoms from various molecules to oxygen, producing what? A:
OPTIONS:
- calcium
- water
- hydrogen
- hydrogen peroxide
Answer: hydrogen peroxide

input: OPTIONS:
- liquid reactions
- evaporation
- toxic reactions
- chemical reactions Now, answer this question: Q: Chemical changes occur because of what? A:
A:
output:
chemical reactions