MULTIPLE CHOICE QUESTION If you have and index contour at 100 feet and another index contour at 200 feet, and there
are five spaces between the index contours, what is your contour interval?
20 ft
100 ft
10 ft
50 ft

In a given chemical reaction, the energy of the products is greater than the energy of the reactants. which statement is true for this reaction?

Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer

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.