The outward rush of gases from the bomb’s site of origin can be as fast as what? 100 miles per hour
500 miles per hour
2,000 miles per hour
7,000 miles per hour

muscle endurance

explanation:

i can do 50 in a row ( but i get so tired after that)

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