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A ___ ,added to the beginning of a word, can add to or change its meaning

A. Appendix
B. Definition
C. Prefix
D. Suffix

Respuesta :

You posted this in the wrong subsection, but I'll help you out anyways.

The answer is C. Prefix. Examples of prefixes are co-, de-, and dis-. Examples of words with prefixes are co-pilot, defrost, and disagree. 
The answer is C. Prefix.

Prefix example are un, re, and dis-

Words like reheat, dishonest and unethical use prefixes
RELAXING NOICE
Relax