Can somebody help me with this carbon nuclides question please?

isotopes

Explanation:

because all of them have the same proton number which is the atom of the same element

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

graph question answered .. you think better when you are relaxed and happy