What do the words hydrant, hydroplane, hydrology, and hydrotropic have in common?(1 point)

Responses

a free morpheme
a free morpheme

a base word
a base word

a root word
a root word

a suffix

1 answer

The words hydrant, hydroplane, hydrology, and hydrotropic all share a common root word, which is "hydr," derived from the Greek word "hydor," meaning water. Therefore, the correct response is:

a root word