Solids have definite shapes and volumes, why ?

Why don't gases have definite shapes and volumes?

Why do solids have definite shapes ?

Why do solids have a definite volume ?

Living beings have a definite shape and size. The growth of an living organism is an internal and biological process controlled by protoplasm. All organisms are made up of cells. How coordination and healing occurs in living beings?

Why do gases have neither a definite shape nor a definite volume ?

Fill in the blanks: _______ have no definie shape but have definite volume.

Liquids show faster diffusion than solids. Why ?

Our knowledge about crystalline solids be better than amorphous solids. why?

Arrange 64 cubes of equal size in as many ways as you can to form a cuboid. Find the surface area of each arrangement. Can solid shapes of same volume have same surface area?