Question

Integers are not closed under subtraction​

Answer 1

Diffusion is the movement of a substance from an area of high concentration to an area of low concentration. Diffusion happens in liquids and gases because their particles move randomly from place to place. Diffusion is an important process for living things; it is how substances move in and out of cells.

Answer 2

Step-by-step explanation:

True, because subtraction of any two integers is always an integer. Therefore, Integers are closed under subtraction.