When completing the water properties lab, which property of water was responsible for the water molecules sticking to the penny?

Adhesion.

Explanation:

Water molecules exhibit the properties of cohesion and adhesion. Adhesion refers to the property of water molecules to stick to some other substance while cohesion is the property of water molecules to stick together. Hence, sticking of water molecules to the penny is example of adhesion where water molecules are attracted towards the penny.

a motor homunculus represents a map of brain areas dedicated to motor processing for different anatomical divisions of the body.

homunculus represents the importance of various parts of your body as seen by your brain. as a result, they take up a lot of brain space. although the cortical homunculus is a curiosity, penfield's work in mapping the brain's relationship to the body was invaluable.