<h2>Answer </h2>
Option A - Stratified sampling
<u>Explanation</u>
The student used Stratified sampling as in the following process the student divided the students of the high school into equal subgroups before sampling. Then a random sample is drawn from each group. Members in Sophomore, Junior, and Senior classes may not be fixed as they are picked on random bases. However, the objective is to improve the accuracy of the sample when the population size is too large.
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The answer to your question is oncogene.
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Answer:
Personification
Explanation:
Personification is when something non-living does humanly actions. The sentence states that the fire "gnawed" ceaselessly at the bark of the tree, and gnawing is a human action.
