The answer is A. Sound can travel through matter (solids, liquids, and gases). Sound travels faster in solids, then slower in liquids and slowest in the air. When the person in the next room makes noise, the sound travels through the air in their room, through the solid wall and in the air in your room and into your ear.
where its free (unbound) concentration is lower
Proteins are a type of Macromedia and is made up of sub units that are called amino acids.
A.
The glycemic index indicates the affect of a food on a person's blood sugar level. Glucose has a glycemic index of 100.
