Which statement explains why white objects appear white and black objects appear black?

Only people in ap world history can can someone give me a question and a statement to present to the class about chapter 15,16,or17

1. any body of surface water in which water is stored is a(n) aquifer reservoir channel floodplain 2.which of the following is a source of groundwater replenishment? seepage into springs infiltration from the surface evaporation all of the above 3. watersheds are bounded by points of high elevation called drainage basins. true false 4.non-native species can harm watershed environments by competing with native species for food. true false

100 points! striked out answers are wrong