Mixtures can be meaning that their particles are uniform in nature, or they can meaning that their particles are not uniform in nature.

homogenous, heterogeneous

heterogeneous, homogeneous

solutions, homogeneous

h let me think

"hydrogen bonding is the attraction of h atoms in the water molecule (slight + charge) to o atoms in a neighboring water molecule (slight - charge); it is a weak interatomic force. but it is still strong enough to the water molecules "stick" together."

smooth muscle is composed of involuntary muscles found within the walls of organs and structures such as the esophagus, stomach, intestines, and blood vessels. those muscles push materials like food or blood through organs. unlike skeletal muscle, smooth muscle can never be under your control.