A. The final substance in both beakers are mixture
B. The final substance in both beakers are pure substance
C. The substance in beaker A is pure substance and in beaker B is mixture
D. The substance in beaker a is mixture and in Beaker B is pure substance

answer; i do believe the correct answer is (river); /// good luck

8 m/s because for him to get the same amount of energy as ray is putting out, bobby, who weighs half as much as ray, needs to run twice as fast.

the dissolution of polymer can be thermodynamically described in 2 steps.