Which image illustrates the absorption of a wave as it strikes a surface?

Which changes of state do the labels represent? a: b: c:

J. j. thomson’s experiment disproved the theory that an atom

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