Analyze the spread of Christianity and Islam from 100 CE -1450 CE

What statement is true about all chemical changes? a) chemical changes can be undone. b) chemical changes cannot be reversed. c) chemical changes change the color of objects. eliminate d) chemical changes do not form new products.

Which of these is a lower subgroup a. kingdom b. order c.genus d. species

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