Nan is in her backyard. She is playing with her new toy car. Nan’s toy car moves when the Sun shines on a small panel. What is the source of energy that causes the toy car to move?

the sun hits the panel and covert it into energy

the word that best describes martin luther king jr.'s tone in the video is dignified

martin luther king, jr. was a social activist and baptist minister who played a key role in the american civil rights movement from the mid-1950s until his assassination in 1968. the video shows his manner and attitude having or showing a composed or serious manner that is worthy of respect so dignified is the correct answer