The Origin of the Surface Tension of Water at the Water-Air

question 14

Multiple Choice

The origin of the surface tension of water at the water-air interface is

• A) Air pressure pushing on the water surface
• B) Water molecules attracting other water molecules more than the air attracts them
• C) W ater in the bulk phase being at a higher energy than water at the surface
• D) Attractive forces of air molecules that tend to exclude the water
• E) The hydrophilic nature of air molecules

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Definitions:

Thyroxin Secretion

The process by which the thyroid gland produces and releases the hormone thyroxin, which is crucial for regulating metabolism and growth.

Low Thyroxin

A condition indicating insufficient levels of thyroxine, a primary hormone produced by the thyroid gland, which can lead to hypothyroidism and affect metabolism.

Adult

An individual who has reached maturity in terms of age, typically recognized legally and socially, and is considered capable of assuming adult responsibilities.

Sympathetic Division

The branch of the ANS that is most active during emotional responses, such as fear and anxiety, that spend the body’s reserves of energy.