Where does the water in streams and rivers originate?
a. precipitation
b. runoff
c. ice and snowpacks
d. all of the abovemost of the water you see flowing in rivers comes from precipitation runoff from the land surface alongside the river.

The believe that the best answer among the choices provided by the question is d. all of the aboveMost of the water you see flowing in rivers comes from precipitation RUNOFF from the land surface alongside the river.

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Answer// dinosaurs emerged during mesozoic era;