Which component of an atom contains the MAJORITY
of its mass?

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

If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c

This is for my 8th grade science class, i really don’t understand. can someone me? , lol.