Oxygen (O₂)is

question 50

Multiple Choice

Oxygen (O₂) is

• A)a by-product of photosynthesis.
• B)now measured at 78.084% by volume in the homosphere.
• C)one of the gases from Earthʹs earliest atmospheres.
• D)a gas which principally originates from volcanic sources.

Identify and locate major organs and cavities of the human body.

Distinguish between different body systems and their primary functions.

Understand the function and location of various membranes in the body.

Knowledge of body regions and the corresponding anatomical vocabulary.

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Definitions:

Pressure Increases

The rise in the force exerted on an object or substance per unit area.

Coriolis Effect

The tendency of particles in motion on Earth’s surface to have an apparent deflection related to the rotation of Earth about its axis.

Apparent Deflection

The perceived change in direction of a moving object, caused by the rotation of the Earth, such as seen in the Coriolis effect.

Ice Crystals

The solid form of water characterized by its crystalline structure, commonly seen in snowflakes, frost, and ice formations in high altitudes or polar regions.