What is the function of the governor in a steam engine?
a. controls speed by regulating the amount of steam sent to the engine
c. controls the amount of steam released through the safety valve
b. regulates the amount of heat sent to the boiler
d. regulates the flow of water into the boiler

absorption lines are where light has been absorbed by the atom thus you see a dip in the spectrum whereas.

emission spectra have spikes in the spectra due to atoms releasing photons at those wavelengths.

explanation:

prolly a beacuse the momentuem the car has increases while going down hill

be subject to a force andchange its motion

it has to be b, about 97 percent.