Q: Q: Because atoms are always electrically neutral, for each added proton, one of what is also added? A:

OPTIONS:
- ion
- quark
- neutron
- electron

A: electron

input: OPTIONS:
- gases
- seeds
- oils
- solids Now, answer this question: Q: Melting points are temperatures that are high enough to separate liquids from which substances? A:
A:
output: solids

Q: Further transformation occurs during organogenesis, the formation of what? A:

OPTIONS:
- arteries
- muscles
- bones
- organs

Answer: organs

Problem: OPTIONS:
- ions or hormones
- acids and bases
- enzymes and acids
- solid ions or molecules
Q: Q: Motion of water molecules helps break up interactions between what? A:
Answer: solid ions or molecules

Problem:OPTIONS:
- ultraviolet
- light
- smoke
- heat

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

Problem:OPTIONS:
- large holes
- light holes
- star holes
- black holes

Q: Not even light can escape from what extremely dense object sometimes found in deep space? A:
****
A:
black holes