Here is a graph of speed vs time. If the object is moving to the east, which BEST describes the speed and velocity of the graph? Group of answer choices Both speed and velocity are changing. The speed and velocity remain constant. The speed is constant and velocity is changing. The speed is constant and velocity is changing.

If you visited mount shasta city (elevation 900 m [3000 ft.]) and found the outside air temperature to be 27°c (81°f), what would be the air temperature at the summit of mount shasta (elevation 4200 m [14,000 ft.]) at that moment-assuming that the temperature conditions with altitude change at an average, or normal, lapse rate?