Waste produced by agriculture, mining, households, industry and other human activities can end up in which of the following?*
A: Oceans
B:groundwater
C:streams and rivers
D:all of the above

What happens when the cell copies its chromosomes

The sketch shows a rynchosaur, an extinct animal that is known only from fossils. there has been much debate about the classification of these creatures. some scientists suggest that they belong with primitive amphibians, and some think they are related to snakes and lizards.the data equally support both cases. which statement best explains how to draw a cladogram that includes the rynchosaur? draw the cladogram for amphibians. draw the cladogram for reptiles. draw two cladograms, both showing the traits, and leave it as a hypothesis. draw two cladograms, both showing the traits, and have scientists vote

What best describes the structure of the declaration of independence?