BRAINLIEST FOR CORRECT ANSWER
Hughes was assigned to find infected cow parts at meat processing plants in Washington. He remembers the sad look on some owners’ faces when he flashed his badge. If there was a chance that any of their meat might have mad cow, they’d have to throw it all away.


Which best explains why the author used a signal word in the passage?


to signal the tone

to signal a problem

to signal a solution

to signal a resolution