Diffusion Doesnʹt Require Energy

question 75

Multiple Choice

Diffusion doesnʹt require energy. Why do plants expend energy to actively transport minerals into root hairs?

• A) Mineral concentrations in the soil are too high for diffusion.
• B) Minerals are too large for diffusion.
• C) Minerals are strongly attracted to soil particles.
• D) Mineral concentrations in the soil are too low for diffusion.

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