PLEASE HELP The diagram below shows the path of a comet around the sun. How does the comments energy change as it moves from point a to point d

Stars x and y are both bluish main sequence stars. star x has a higher absolute brightness than star y. how do the two stars compare? explain

Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?