Answer:
A word that is used in place of a noun is called pronoun
For example, he,she,it,you,they,we etc.
Explanation:
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There is not enough context because it doesnt include the text
The answer is a bro hope i helped
Significant. Fractional sounds like "fraction," which is typically meaning a value less than one, but not quite zero. AKA, very small.
The opposite of a very small change would be a very big change. Which is what a significant change is.