Formation of Menisci,such as Occurs in a Tube Filled with Water,is

question 19

Multiple Choice

Formation of menisci,such as occurs in a tube filled with water,is an important factor in plant water movement.A meniscus is created by

• A)the downward pull of gravity on the water column in the tube.
• B)downward pressure from the atmosphere on the topmost layer of water molecules.
• C)the water molecules along the walls of the tube being pulled upward by adhesion.
• D)the topmost layer of water molecules being pulled downward by the water molecules below.

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