Question

1. from the passage, which two ideas show how roots and prefixes affect word meaning?

prefixes remove meaning from the root.
prefixes can change the meaning while keeping the roots idea.
roots give the main idea of a word.
roots and prefixes always make words longer.

Explanation:

Roots are the core of a word, providing its main meaning. Prefixes are added to roots and can modify the meaning while still relating to the root - concept. They don't remove meaning from the root and not all words with roots and prefixes are longer.

Answer:

B. Prefixes can change the meaning while keeping the root's idea.
C. Roots give the main idea of a word.