Reese rides her bike 10 kilometers in 5 hours.Avery rides her bike 15 kilometers in 5 hours. Which girl rides her bike faster?
2 answers:
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Answer:
Surface tension in water
Friction between tires and pavement
Dissolution of salt in water
Explanation:
Surface tension in water: It is due to the electrostatic force of attraction (cohesive force) between water molecules.
Friction between tires and pavement: It is due to the attractive force between tires and pavement.
Dissolution of salt in water: The ions of and
separate due to the strong attraction of water molecules.