Q: The bigger the waves are and the more sediment they carry, the more erosion they cause. A still river that carries little sediment will cause less or more erosion?
A: less

Q: Water density increases as salinity and pressure increase, or as temperature decreases. By removing a pound of salt from a bucket of fresh water, could you cause the density of the water to increase or decrease??
A: decrease?

Q: The more curved the surface of a lens is, the more it refracts light. Dave was looking lenses for his new digital camera. He saw on the specifications that the less curved the lens is, the amount of light refracted increases or decreases?
A: decreases

Q: As the nail grows, more cells are added at the nail bed. Milo has been growing his nails out for a very long time. As his nails get longer, what happens to the amount of cells added to them increase or decrease?
A: increase