Question

how is a root word used to understand a text? it reveals the style of the writer. it alerts the reader that a technical term is being used. it gives the reader an understanding of the writers tone. it provides the foundation for a words meaning.

Explanation:

A root - word is the core part of a word. It forms the base upon which prefixes and suffixes are added. By knowing the root - word, one can understand the fundamental meaning of a word, which helps in understanding the text. It has little to do with style, technical term alerts, or tone.

Answer:

It provides the foundation for a word’s meaning.