Foods cook faster when placed in a pressure cooker. This is because the pressure on the surface of the water is higher

Yesss it is because food is food and water is water that’s why I’m a pressure washer with no water it is pressured to cook

It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).