input: OPTIONS:
- sediment - nonpolar interactions
- refracted - nonpolar interactions
- polar-nonpolar interactions
- nonpolar-nonpolar interactions Now, answer this question: Q: What occurs when two nonpolar liquids are mixed? A:
A:
output: nonpolar-nonpolar interactions

Q: What kind of energy is released when the thermochemical reaction of a campfire converts wood to carbon dioxide and water? A:

OPTIONS:
- ultraviolet
- light
- smoke
- heat

Answer: heat

Problem: OPTIONS:
- recession
- hibernation
- germination
- dormancy
Q: Q: What do you call the state in which a plant slows down cellular activities and may shed its leaves? A:
Answer: dormancy

Problem:OPTIONS:
- liquid
- atomical
- mineral
- chemical

Q: What kind of reactions are involved in processes ranging from the contraction of muscles to the digestion of food? A:
****
A: chemical

Q: What is the spread of cancer cells beyond their original site called? A:
OPTIONS:
- scattering
- mutations
- apoptosis
- metastasis
metastasis

Q: When food enters the stomach after a period of fasting, a drop in what initiates the conversion of pepsinogen to pepsin? A:
OPTIONS:
- calcium
- white blood cells
- acid
- ph

Answer:
ph