A Balloon Is Buoyed Up with a Force Equal to the

question 86

Multiple Choice

A balloon is buoyed up with a force equal to the

• A) atmospheric pressure.
• B) weight of the balloon and contents.
• C) weight of air it displaces.
• D) density of surrounding air.
• E) all of these

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Definitions:

Hemoglobin

An iron-containing protein in red blood cells that transports oxygen from the lungs to the tissues of the body.

Platelets

Small blood cells essential for blood clotting, helping to stop bleeding by clumping together and forming plugs in blood vessel injuries.

Phagocytize

The process by which cells, especially immune system cells like macrophages, ingest or engulf other cells, bacteria, or particles.

Monocytes

A type of white blood cell that plays a significant role in immunity, inflammation, and tissue repair by differentiating into macrophages and dendritic cells.