Agalloping pony speeds past you at 5 m/s. the frequency of the sound produced by the hooves on the dirt is 221 hz. assume the speed of sound to be 342 m/s. what is the observed frequency of the hooves after the pony has passed your position? 218 hz 226 hz 216 hz 224 hz

Enzymes are proteins that speed up reactions by providing an additional energy source supplying additional molecules for the reaction removing inhibitors that slow down reactions lowering the amount of energy required

Matthew decided he wanted to hike up mount everest. on his way to the top, it began to snow and the temperature dropped to -10°f. matthew forgot to wear a heavy jacket so his body began to shiver beyond control. in this case, matthew's body shivering is the to a drop in temperature. * 0 points reflex stimuli responce environmental facto

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks