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

Responses

a root word
a root word

a base word
a base word

a suffix
a suffix

a free morpheme

1 answer

The words hydrant, hydroplane, hydrology, and hydrotropic all share a common root word. The root is "hydro," which comes from the Greek word for water.

So the correct response is:

a root word