Q: Q: Name what nutrient cycling is strongly regulated by. A:

OPTIONS:
- elevation
- abundance
- sunlight
- vegetation

A: vegetation

Q: Q: Similarity of crystal structures is used to categorize what non-living materials? A:

OPTIONS:
- salts
- corals
- grains
- minerals

A: minerals

Q: Q: Vascular plants evolved what basic structures to collect sunlight? A:

OPTIONS:
- flowers
- stems
- roots
- leaves

A: leaves

Q: Q: Where are temperatures the lowest? A:

OPTIONS:
- over the oceans
- at the equator
- in asia
- at the poles

A:
at the poles