HURRY 25 POINTS Which statement about the number of 25- to 45-year-olds living alone is correct?

It has quadrupled over the last twenty years.

It has remained relatively constant since the 1990s.

It has increased slightly since the 1990s.

It has doubled over the past twenty years.

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