What Part of the Sun's Aging Process Will Disrupt the Biosphere

question 57

Multiple Choice

What part of the Sun's aging process will disrupt the biosphere and evaporate the oceans of Earth?

• A) the fusion of hydrogen in the core
• B) an increase in luminosity as the core becomes helium-enriched
• C) the expansion of the outer layers of the Sun as a red giant
• D) the supernova explosion caused by the collapse of the iron core
• E) hydrogen detonation on the white dwarf remnant

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Definitions:

Food Source

Refers to any substance that provides nutritional support to an organism.

Energy Expended

The quantity of energy used by an organism to perform various activities, including metabolism, movement, and thermoregulation.

Courtship Dance

A series of movements or behaviors performed by some animals as part of mating rituals to attract a mate.

Operant Conditioning

A learning process wherein the likelihood of a behavior is increased or decreased through reinforcement or punishment.