Cần giải chi tiết. :)

If forces acting on an object are unbalanced, which factors may result fron an unbalanced force? check all that apply

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

The heliocentric and the geocentric models of the solar system included these central principles