5.What is the latitude for the Tropics of Cancer and Capricorn, and explain the relationship between the Sun and the Tropic lines?

In the image, the arrow is pointing to a celestial object. which attribute disqualifies the object from being a planet?

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.

Positive ions differ from neutral atoms in that