A noun of the abstract type.
"to water the earth" is a verbal phrase- more precisely an infinitive phrase. It could be expressed as "to irrigate"
Saline is an adjective and a noun. If I'm asked what i put on my contact lens, I say saline (adjective)solution. The noun is used less often. "Saline is a metallic salt".
the prefix for irrigate is
The part of speech for "answer" is a noun.
part of speech
The part of speech for this particular word is a noun.
The verb of irrigation is irrigate. As in "to irrigate something".
I had to irrigate the fields today.
what part of speech is beneath
adverb
what part of speech is work
Irrigate is already a verb because it is an action.Other verbs are irrigates, irrigating and irrigated, depending on tense.For example, here are some sentences:"We will irrigate the crops today"."They irrigate the fields"."We need to do some irrigating"."They irrigated the farmland"