When an ambulance with its siren on is moving away from you, the wavelength of the sound gets and the pitch of the sound gets . a. shorter, higher

b. longer, lower

c. shorter, lower

d. longer, higher

a

Explanation:

acdd

I think its B

Explanation:

Hope this helps

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

the area between the graph and the t axis