(2 marks) The student suggests that the diameter of the hole depends on the height from which
the ball is dropped, because this affects the speed
Suggest two other variables on which the size of the hole may depend​

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