Helium Burns in the Core of a Horizontal Branch Star

question 29

Multiple Choice

Helium burns in the core of a horizontal branch star via __________ and produces __________.

• A) the triple-alpha reaction;carbon
• B) the proton-proton chain;lithium
• C) the triple-alpha reaction;oxygen
• D) the proton-proton chain;iron

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Definitions:

Prostaglandin Inhibitor

A class of drugs or substances that reduce the production of prostaglandins, thereby reducing inflammation, pain, and fever.

Ibuprofen

A nonsteroidal anti-inflammatory drug (NSAID) used to reduce fever and treat pain or inflammation.

Acetaminophen

A common pain reliever and fever reducer, also known as paracetamol.

Caffeine

A central nervous system stimulant commonly found in coffee, tea, sodas, and chocolate, known for its ability to reduce fatigue and improve focus.