An arctic fox has thick, dense fur in the winter and much shorter fur in the summer. This helps the fox maintain . a. Its need to eat food
b. Homeostasis
c. How much water it must drink
d. Where the fox lives

in chemistry, adhesion and cohesion are attractive forces that exist between molecules. they hold the molecules together from each other. they are different in that adhesive force exists between molecules of different substance while cohesive force happens between molecules of same substance.

adhesion between water and glass causes water molecules at the edge of water and glass interface to climb up the wall in a narrow glass tube. this is called capillary action. cohesion is what gives glass its shape and causes water to form a droplet.

d) a person who learns about the world by observing it.

explanation:

scientist are people who discover why and how things are done and made in the world.