Why Does the Core of the Sun Contain More Helium

question 2

Multiple Choice

Why does the core of the Sun contain more helium and less hydrogen than the surface of the Sun?

• A) The hydrogen has been lifted out of the core by the Sun's magnetic field.
• B) Helium is heavier than hydrogen and has sunk toward the center in a process of chemical differentiation.
• C) Helium condenses more easily, so when the Sun was forming the core became helium-rich; vast quantities of hydrogen were added only after the core became massive enough.
• D) Thermonuclear reactions have converted much of the original hydrogen in the core into helium.

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Definitions:

Perfectly Competitive Firm

A company that operates in a market where there are many buyers and sellers, and where no single buyer or seller can influence the price of the product.

Horizontal Demand

Describes a demand curve that is perfectly elastic, indicating that even a very small change in price would lead to an infinite change in the quantity demanded, typically theoretical and not found in real-world markets.

Product Differentiation

Strategies used by companies to make their products appear unique from those of competitors.

Price

The amount of currency estimated, needed, or presented in exchange for an item.