For a substance to change phases, the amount of internal energy must change. Water exists in three phases: liquid, solid (ice), and gas (water vapor). Which of the following lists the phases in order of increasing total energy

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explanation:

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hey there!

so, when you eat, your teeth chew and grind food into smaller pieces. this is mechanical digestion. then reactions aided by digestive enzymes break down large food molecules into smaller molecules. this is chemical digestion. the two processes change the food into simpler substances that can be used by the body for raw materials and energy.

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tobey

is this a psat question, if so do not cheat try your best.