How is facilitated diffusion similar to active transport?
A. Neither require energy.
B. They both use protein channels.
C. Both move against the concentration gradient.

ecotourism pay for conservation efforts.

emerging idea only occurs as a raw idea that could appear out of nowhere. meanwhile, to reach scientific consensus , that idea must be structured and tested over and over again through various experiments. the scientific consensus transforms the raw idea into idea that is more reliable through the process of scientific elimination.

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