The answer choice which best describes the effect of adding the prefix in- to a word is:
- It makes the opposite meaning.
What is a Prefix?
This refers to the addition of a word to the beginning of a word in order to give it a different meaning.
With this in mind, we can see that for example, given a root word "secure", if we add the prefix "in", it would give it the opposite meaning and become insecure.
Read more about prefix here:
https://brainly.com/question/138558
