Condensation Nuclei, Tiny Particles of Matter in the Air, Are

question 23

Multiple Choice

Condensation nuclei, tiny particles of matter in the air, are important because _____ .

• A) they will affect the environmental lapse rate
• B) they provide a surface for water molecules to form on
• C) they increase the density of air and thus its buoyancy
• D) they provide point sources of heat in the air

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Definitions:

Vasoconstriction

Narrowing of the diameter of blood vessels.

Collagen Fibers

Strong, flexible fibers found in connective tissue, providing support and elasticity.

Platelets

Small cell fragments in the blood that are crucial for blood clotting and wound healing, preventing excessive bleeding.

Thrombin

An enzyme in the blood that facilitates the conversion of fibrinogen to fibrin, playing a critical role in the clotting process.