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A—
This sentence pretty much sums up what the writer of the passage wants to talk about. The other ones do not fit with the sentence “water is one factor that is necessary for growth” and do not fit the idea of the passage, which is what factors affect plant growth.
Answer:
in-, il-, im-, ir- The prefix in- changes its form to il- before an l; to im- before b, m or p; and to ir- before r. This prefix (and its variations) have two meanings. Meaning 1: not, without.
Answer Explanation:
Students must be able to choose their classmates at the beginning of each year, however, this must be promoted by the educational institution, which must provide extracurricular activities for students to identify other students who have common preferences. In this way, groups of friendships are not naturally formed and maintained for as long as necessary. The advantage of this being always done at the beginning of the year is that it makes this period less stressful, especially for new students who do not have any friends yet.