Answer:
A.
Explanation:
For the hydrophilic molecules (such as ions, carbohydrates, proteins, amino acids, and nucleic acids), they require active diffusion in order to pass through the cell membrane because of their polarity and because they are hydrophilic (most non-covalent assemblies of the cell membrane are hydrophobic).
Answer:
the photosphere, the chromosphere and the corona
Explanation:
laws of probability answer C
It releases bound oxygen into your body's tissues.
