The Principal Means by Which High-Mass Stars Generate Energy on the Main

question 32

Multiple Choice

The principal means by which high-mass stars generate energy on the main sequence is called:

• A) the proton-proton chain
• B) the carbon-carbon reaction
• C) the triple-alpha process
• D) the CNO cycle
• E) neutrino cooling

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Definitions:

Peptic Ulcers

A condition characterized by sores or lesions forming on the lining of the stomach or the first part of the small intestine, typically as a result of inflammation caused by the bacteria H. pylori, or the use of nonsteroidal anti-inflammatory drugs (NSAIDs).

Chemical Digestion

The breakdown of complex food molecules into simpler ones through chemical reactions, facilitated by enzymes, in the digestive system.

Esophagus

A muscular tube that connects the throat (pharynx) with the stomach, through which food and liquids travel.

Salivary Gland

Exocrine gland that secretes saliva into the mouth.