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Which of the following scenarios is an example of cohesion?

Biology
JAMB 2017

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
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Correct Answer: Option D
Explanation
Cohesion is an ability of water molecule to stick to one another due to the presence of hydrogen bonding

There is an explanation video available below.


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Explanation Video

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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
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