PLEASE HELP Two seventh grade students are riding in a car and listening to music on the radio.
How would the students increase the amplitude of the sound waves of the music?

There is a positive aspect to music's effect on work performance. Studies have revealed that listening to music leads to positive changes in mood, as well as increased creativity. In fact, in "music-listening work

Explanation:

explanation:

may i ask what challenges?

d. i assume the underlined word is "role." reformat if it isn't.

explanation:

role is closest to part because when replacing words, "playing a vital decision," "playing a vital activity," and "playing a vital dollar" don't make logical sense. the only meaningful choice is "playing a vital part."

this fits one of merriam-webster's definitions of role: "a function or part performed especially in a particular operation or process."