AP BIOLOGY

LABORATORY REVIEW

TRANSPIRATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Define cohesion:
A
the joining of the same substance due to attractive forces that hold them.
B
the joining of two different substances due to attractive forces that hold them.
Explanation: 

Detailed explanation-1: -Cohesion, also known as cohesive attraction or cohesive force, is the action or property of molecules adhering to one another due to mutual attraction. The force of attraction between two comparable substances or molecules is known as the cohesion force.

Detailed explanation-2: -cohesion, in physics, the intermolecular attractive force acting between two adjacent portions of a substance, particularly of a solid or liquid. It is this force that holds a piece of matter together. Intermolecular forces act also between two dissimilar substances in contact, a phenomenon called adhesion.

Detailed explanation-3: -The force of cohesion is defined as the force of attraction between molecules of the same substance. The force of adhesion is defined as the force of attraction between different substances, such as glass and water.

Detailed explanation-4: -Cohesion is the property of like molecules (of the same substance) to stick to each other due to mutual attraction. Adhesionis the property of different molecules or surfaces to cling to each other. For example, solids have high cohesive properties so they do not stick to the surfaces they come in contact.

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