Celina has a water sample that’s contaminated with salt and microorganisms. which two methods could she use to purify the water?

Asher cycles 12 miles in 16 hours. what is his speed?

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.

Write a full page that sumerizes thermodynamics it’s from the website visionlearnig