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

Responses

a root word
a root word

a free morpheme
a free morpheme

a base word
a base word

a suffix

1 answer

The words hydrant, hydroplane, hydrology, and hydrotropic all share a root word. The root "hydro-" comes from the Greek word "hudor," meaning water. Thus, the correct response is:

a root word