Use the setence to answer the question.

Certain trees, in fact, produce seeds only when fire heats them. If the fire removes thick shrubs and undergrowth, the water supply increases, aiding other plants and local animals. Fire also may kill predatory insects or pests that live on and damage otherwise healthy trees.
Which set of context cluse BEST points to the correct definition of undergrowth in the second sentence?
"insects, pest, fire"
"seeds, fire, animals"
"thick shrubs, plants"
"water supply"

"thick shrubs, plants"

The set of context clauses that BEST points to the correct definition of undergrowth in the second sentence is "thick shrubs, plants."

The correct set of context clues that best points to the definition of "undergrowth" in the given sentence is "thick shrubs, plants". In the sentence, it is mentioned that the fire removes thick shrubs and undergrowth, which implies that undergrowth refers to the dense vegetation or plants that grow beneath the taller plants or shrubs.