A Time Zone on Earth, Defined for Convenience as the Region

question 30

Multiple Choice

A time zone on Earth, defined for convenience as the region over which civil time is the same at all locations, extends over what range of longitude, on average?

• A) 90°
• B) 15°
• C) 1°
• D) 30°

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Definitions:

Niacin

A water-soluble B vitamin (B3) that is essential for energy metabolism and the health of the nervous system, skin, and digestive system.

GERD

Gastroesophageal Reflux Disease, a chronic condition where stomach acid flows back into the esophagus, causing heartburn and other symptoms.

Stomach Acids

The digestive fluids secreted by the stomach’s lining, consisting mainly of hydrochloric acid, pepsin, and intrinsic factor, crucial for breaking down food and killing pathogens.

Esophagus

The muscular tube that connects the throat (pharynx) with the stomach; it's responsible for transporting food and liquids.