A woman is standing 85 m from her apartment building. If she lives on the 5th floor, approximately 17.5 m above the ground, at what angle would she have to look up to see her cat in the window?

The freezing and boiling point of a substance changes as the air pressure around it changes. for example, at a lower air pressure (higher altitude) it is easier for water molecules to escape from liquid into the air. in a high altitude city such as denver, colorado compared to a sea-level city such as houston, texas, water