What does the root in subscribe mean?

Match the audience to the description of each speech

Determine the meaning of the word *propel* using the context clues in the sentence. wind power is the ability to capture the wind in a way to *propel* the blades of wind turbines. a) to move slowly b) to urge onward c) to stop from moving d) to drive, or cause to move, forward

Which describes the effect the use of figurative language has on the tone of this excerpt? select all that apply