Problem: OPTIONS:
- cones
- gonads
- calcites
- otoliths
Q: Q: On top of the otolithic membrane is a layer of calcium carbonate crystals, called what? A:
Answer: otoliths
Problem: OPTIONS:
- expression energy
- kinetic energy
- potential energy
- activation energy
Q: Q: What do all chemical reactions need to get started? A:
Answer: activation energy
Problem: OPTIONS:
- electrons
- crystals
- glaciers
- plates
Q: Q: Hotspots can be used to tell the speed and direction that what object is moving? A:
Answer:
plates