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Which of the following scenarios is an example of cohesio...

Which of the following scenarios is an example of cohesion?

A.

Water molecules stick to the surface of a mirror.

B.

Water sticks to the walls of blood vessels.

C.

Water molecules stay on the tip of a pine needle because the water is attracted to the surface of the needle.

D.

Water molecules stick to one another and form a bead

Correct answer is D

Cohesion is an ability of water molecule to stick to one another due to the presence of hydrogen bonding.