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KonstantinChe [14]
3 years ago
10

Explain why soil is classified as a heterogeneous mixture.

Biology
2 answers:
marta [7]3 years ago
4 0

Answer:

All natural soils are heterogeneous mixtures because no two nature soil samples will have the precise proportions of its inherent components.

Explanation:

pashok25 [27]3 years ago
3 0

Answer:

Because it can be separated, it's proportions vary.

Explanation:

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A.  passive transport by diffusion

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Diffusion and osmosis are both types of passive transport. They do not require energy. Diffusion is the general term for the process. Osmosis is the diffusion of water molecules.

Many small, uncharged molecules can cross the cell membrane by diffusion. Oxygen and carbon dioxide are examples of two small molecules that pass the cell membrane by passive transport.

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source - wikipedia.org

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