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Biochemistry Vocabulary › View

Why does ice float?

A. As water freezes, it expands and its density decreases.

B. As water freezes, it takes up more hydrogen from the atmosphere, causing it to have a greater buoyancy.

C. As water freezes, air becomes trapped between the hydrogen bonds of water molecules.

D. As water freezes, it takes up more oxygen from the atmosphere, causing it to have a greater buoyancy.

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Characteristics of Life › View

Identify the characteristic: A camel has eyelashes that work to keep the dust and sand out of its eyes.

A. All living things adapt/respond to their environment

B. All living things grow

C. All living things have cells

D. All living things use energy

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