Answer:
The diagram below represents some stages in the life cycle of humans. The numbers in the diagram represent various processes in the cycle.
Answer:
Cells placed in a hypotonic solution will take in water across their membrane until both the external solution and the cytosol are isotonic. A cell that does not have a rigid cell wall, such as a red blood cell, will swell and lyse (burst) when placed in a hypotonic solution.
Explanation:
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Answer: By us people breathing in oxygen and breathing out carbon dioxide.
Water molecules are polar with the oxygen side being, slightly negative and the hydrogen side being slightly positive.
