To make the beams at a laser light show (see Exercise 6) even more visible, they are often directed into mist or smoke. Why do such particles make the beams particularly visible

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

when heated, the valance electrons increased their speed and transferred the heat from electron to electron.   i just took the test.