A simple sentence is consisting of only one clause with a single subject
A compound sentence more than one subject or predicate
A complex sentence contains a subordinate clause or clauses.
Your welcome
Answer: Dog Cafes and how they enhance/benefit a person's mental health
Explanation:
The correct answer is A.
A subject-verb agreement implies that the subject of the sentence and the verb of the sentence must be in agreement in number.
A pick and shovel ( two things, therefore plural ) <em>are used</em> to remove sand;
When two subjects are joined by <em>and</em>, the verb is plural.
then workers or a crane <em>lifts</em> the artifacts.
When two or more singular nouns or pronouns are connected by <em>or </em>or <em>nor</em>, a singular verb is used. The verb agrees in person and number with the noun nearest to it.