Answer:
A preposition is a word that: is placed before a noun or pronoun or gerund shows a relationship of the noun or pronoun with something else.
Explanation:
Answer: Martin Luther King Jr. was an American minister and activist for civil rights in the 1950s and 1960s.
Explanation:
A simple sentence is made up of an independent clause along with one single subject and a verb with a compliment.
In the first option, there is a single independent clause which is that MLK was an American ministers and activist. The subject is MLK and the verb and compliment are the years he was active.
The other options have multiple clauses.
