How is the passive voice used in sentence 4?

Question

(1 point)
• The phrase "to research plants" uses the passive voice to let "missions" be the subject of the sentence.
The phrase "the garden continues" uses the passive voice to indicate that many people work to keep the garden going.
The phrase "was founded" uses the passive voice to keep "the garden" the subject of the sentence.
• The phrase "in order to preserve" uses the passive voice to explain the reason for an action.

Answer 1

The phrase "was founded" uses the passive voice to keep "the garden" the subject of the sentence.