Answer:The only difference between a molecule of a compound and a molecule of an element is that in a molecule of an element, all the atoms are the same. For example, in a molecule of water (a compound), there is one oxygen atom and two hydrogen atoms. But in a molecule of oxygen (an element), both of the atoms are oxygen.
Explanation:hope this helps
Answer: The answer is runoff.
Explanation: Runoff is water “running off” the land surface.
Answer:
B cell membranes protect a cell,and cell walls do not
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