Which of the following statements about biogeochemical cycles is true? a. Biogeochemical cycles are cycles involving only nonliving components. b. The rock cycle is a biogeochemical cycle. c. Biogeochemical cycles are not an important part of the Earth system. d. Carbon, nitrogen, and oxygen cycles are biogeochemical cycles. Please select the best answer from the choices provided A B C D

moving ball hits still ball. mover stops, hit ball moves. momentum transfer.

a

explanation:

no diagram was provided, but i'm guessing it's the one i've attached to my answer.

here, a mechanical force turns the rod.   this generates an electric current in the coil, which powers the bulb.

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