State the law of conservation of energy

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

What are two different ways you could find the value of a? explain these methods.

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