A is a disturbance that carries through a medium. Waves can be classified as transverse, longitudinal, or surface waves. This depends on the of movement of the in the medium compared to the direction of the energy. In waves, the medium particles move to the movement of the energy. In waves, the movement of the particles in the medium is the same direction as the movement of the energy. In waves, only the particles at the surface of the medium move in a motion

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

as we probably am aware that our atmosphere or air have various levels, each level has different gasses, and each gas has another porousness. at the point when the light originates from lower porousness to higher penetrability, it alters its course. with the goal that implies that when the light originates from the moon to the earth, it alters it's course a lot more occasions. it essentially implies that the state of the light piece of the moon is changed on the earth.

not copied too! hope this !

joke:

h o h o hope you have a merry christmas!

c) power lifting, will be your answer.

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deku ❤