What most likely caused geologists to accept Alfred Wegener’s theory?
A.
After 50 years, the theory became popular.
B.
All hypotheses become theories after a long period of time.
C.
It took scientists a long time to understand Wegener’s ideas.
D.
Evidence supporting the theory slowly accumulated.

D Evidence supporting the theory slowly accumulated. Is the right answer.

Explanation:If a theory is accepted over time, it is because other theories were proved wrong and the other theory is accepted because evidence proved them right or wrong.

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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