Question

understanding complex information and technical vocabulary in an informational text mastery check
read these lines and select two phrases that are context - clues for the meaning of the underlined word.
at first the rain was gentle. then the sky darkened, and the afternoon storm continued with greater intensity. as the thunder grew louder, people scurried to get indoors.

Explanation:

Context - clues help determine word - meaning. "the sky darkened" shows a change indicating more force, and "the thunder grew louder" also implies increased power related to the storm's intensity.

Answer:

the sky darkened, the thunder grew louder