The type of mass movement where rock fragments become airborne is:

The type of mass movement where rock fragments become airborne is Rock Avalanches (airborne).   Rock Avalanches is most spectacular - at 125miles/hr rapid sliding and falling - capacity to become airborne cuts avalanche chute to be repeatedly used, forms talus (debris deposit at angle of repose).

Answer:

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

explanation:

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

An atom's smaller negative particles are at a distance from the central positive particles, so the negative particles are easier to move.