When Is/was Gravitational Contraction an Important Energy Generation Mechanism for the Sun

question 41

Multiple Choice

When is/was gravitational contraction an important energy generation mechanism for the Sun?

• A)It was important when the Sun was forming from a shrinking interstellar cloud of gas.
• B)It is the primary energy generation mechanism in the Sun today.
• C)It has played a role throughout the Sun's history,but it was most important right after nuclear fusion began in the Sun's core.
• D)It is important during periods when the Sun is going from solar maximum to solar minimum.

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Definitions:

Plasmodial Slime Molds

Organisms that exist as a single, large cell with multiple nuclei, moving and feeding in amoeboid fashion.

Amoeboid-Like

Resembling or having the characteristics of an amoeba, especially in the ability to change shape or move by protruding pseudopodia.

Parabasilids

Parabasilids are a group of protozoa, mostly symbiotic or parasitic, with a distinct structure known as the parabasal body, associated with the Golgi apparatus.

Mitochondria

Organelles within cells that produce energy through cellular respiration, often referred to as the powerhouses of the cell.