Approximately 300 Billion Liters of Hydrogen Is Produced Annually

question 29

Multiple Choice

Approximately 300 billion liters of hydrogen is produced annually.The majority of the hydrogen is used in the production of ____.

• A) ammonia
• B) hydrogen chloride
• C) methane
• D) sulfuric acid
• E) water

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Definitions:

Acinar Cells

Glandular cells found in acinous glands, such as the salivary and pancreatic glands, that secrete substances into ducts.

Mastication

The process of chewing food in preparation for digestion, involving the breakdown of food into smaller pieces by the teeth and saliva.

Chemical Digestion

The breakdown of complex food substances into simpler forms that the body can absorb, involving enzymes and other substances.

Organic Molecules

Chemical compounds containing carbon atoms bonded to other atoms, characteristic of living organisms but also found in some man-made substances.