ReadWorks Anna nating Comprehension Guest
5. Which statement best describes the central idea of this passage?
A. In 2004, a tsunami killed thousands of people in South Asia and East Africa.
B. Animals started to behave strangely before the tsunami struck.
C. Many animals survived the tsunami because they sensed it coming
D. Animals have better senses of hearing, smell, and sight than humans do.
Which one?

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.