Zeplin is investigating how long different substances take to dissolve in water. He timed how long each tested
substance took to dissolve twice: once in cold water, and once in hot water. He noticed they dissolved faster in
the hot water for every test.
Which statement explains why this happened?
x
A Hot water has more gravity than cold water, so particles break up more quickly.
B
C
D
Hot water has more oxygen than cold water, and oxygen absorbs substances.
Hot water has more volume than cold water, so substances spread to fill space.
Hot water has more energy than cold water, causing the molecules to move faster.
Next.