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The answer is Mutation.
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The answer is bold dependent and underline independent. In addition to biology laboratory examination, independent variable is the most important variable in which this variable is manipulated in what the investigator differs in the experiment. Dependent variable in the experiment, one variable will be stately or calculated or experimental in reaction to experimental situations.
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Description
An electron cloud is the region of negative charge surrounding an atomic nucleus that is associated with an atomic orbital. It is defined mathematically, describing a region with a high probability of containing electrons.
The significince about them as they think they came from the moon as i do mot know much about it you may be better by searching it up