Answer:
Know-Unknown-Knowable-Knowledgeable.
Explanation:
A word root is a word that serves as the basis to form other words by adding prefixes or suffixes. The word root from the options given is known and with suffixes and prefixes, there is a variety of meanings that the word can cover.
I hope this answer helps you.
Answer:know, unknown, knowable,and knowledgeable
Explanation:they all have the root word of (known)
the answer is A. murder
Either B or D, but most likely D