Find the potential energy of a 2 kg ball 15 m in the air.

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

Arrange the images in order to show how lake-effect snow occurs.

Decreased sensitivity to an unchanging stimulus is known as