It's cheap, it's easy, and all the cell has to do is sit there and let the molecules diffuse in. ... suppose the sugar glucose is more concentrated inside of a cell than outside ... If sodium ions are outside of a cell, they will tend to move into the cell based .... by building up a high concentration of potassium ions inside the cell, which ...
Answer:
Light refracts whenever it travels at an angle into a substance with a different refractive index (optical density). This change of direction is caused by a change in speed. When light travels from air into water, it slows down, causing it to change direction slightly. This change of direction is called refraction
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Answer:
c
Explanation:
the rabbit hears it means it's scared so the response is the is that if the rabbit runs his actions are very reactive
