The Thin Envelope of Life That Surrounds the Earth's Surface

question 20

Multiple Choice

The thin envelope of life that surrounds the earth's surface is called the

• A)atmosphere.
• B)biosphere.
• C)lithosphere.
• D)hydrosphere.
• E)ecosystem.

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Definitions:

Intranasal

Administration or action occurring within the nasal passages, often referencing medication delivery.

Subcutaneous

Located or applied under the skin's surface, often referring to tissues, injections, or implants.

Intramuscular

Pertaining to an injection given directly into the muscle tissue.

Inhalation

The process of breathing in, allowing air or other substances to enter the lungs.