Ally yells at Damaris across a basketball court. The sound bounces off a wall 31m away and Ally hears the echo after 0.178s. What is the temperature in the gym?

You are about to open a container of soy milk but notice that there are instructions to “shake well before serving.” the soy milk is most likely a

Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?

Assume that a person skiing high in the mountains at an altitude of h = 15100 ft takes in the same volume of air with each breath as she does while walking at sea level. determine the ratio of the mass of oxygen inhaled for each breath at this high altitude compared to that at sea level. assume that the air composition (i. e. % of air that is oxygen) is the same at sea level as it is at 15100 ft.