The main part of the nuclear power plant is the where nuclear reactions take place.

reactor; fission
turbine; fission
reactor; fusion

this is a good question! i'll do some research and come back when i have the answer!

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

explanation:

considering the bohr theory, the type of connection that requires the transfer the answer conuldn't be right