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Tutor profile: Elizabeth S.

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Elizabeth S.
Senior undergraduate studying Environmental Science
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Questions

Subject: Natural Sciences

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Question:

What force causes ice crystals in clouds to fall, becoming rain droplets?

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Elizabeth S.
Answer:

Gravity.

Subject: Pre-Algebra

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Question:

2x * 7 = 70

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Elizabeth S.
Answer:

x = 5

Subject: Basic Chemistry

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Question:

Would dissolving sugar in water create a physical change or a chemical change?

Inactive
Elizabeth S.
Answer:

A physical change. The sugar molecules have not bonded with the hydrogen and oxygen molecules, the have only become part of a solution. By allowing the water to evaporate, the sucrose crystals will still be left behind.

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