. What was the author's purpose in writing 'The Busy Hive"? A. to tell about the different activities that take place in a hive
B. to explain how bees gather pollen and nectar
c. to entertain readers with a story about honeybees
D. to teach a lesson about the importance of staying busy

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.

28528289 29823282 8298232 39858

gasoline is a mixture. it contains several different kinds of compounds that can be present in a variety of ratios.