Q: Q: The four types of light receptors include different types of cones and what else? A: | OPTIONS:
- quarks
- neutrons
- joints
- rods
A: rods

Q: Q: Matter can exist either as a pure substance or as a combination of what? A: | OPTIONS:
- Different Liquids
- much substances
- different vapors
- different substances
A: different substances

Q: Q: Plants, fungi, bacteria and archaea cells all have what feature that keeps them rigid that animal cells do not have? A: | OPTIONS:
- cytoplasm
- cell membrane
- plastids
- cell walls
A: cell walls

Q: Q: Which model helps explain molecules with double or triple bonds? A: | OPTIONS:
- salinity model
- reactivity model
- particle model
- hybridization model
A: hybridization model