The air from the atmosphere,photosynthesis,
Its called <span>Hemoglobin!... I hope this helps and if i got this correct if you wouldnt mind to rate my answer, it will be appreciated </span><span />
Answer:
Therefore, potassium can diffuse through the membrane but sodium cannot. Because the membrane is permeable to potassium ions, they will flow down their concentration gradient; i.e. towards the outside of the cell.
Explanation:
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because school is torture
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D. the process by which species change as successful traits are passed on to the next generation
Explanation:
Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations.