The Young Sun Had a Core Containing Less Helium and More

question 168

Multiple Choice

The young Sun had a core containing less helium and more hydrogen than it has now. Which of these was NOT true of the young Sun, compared with the present Sun?

• A) The young Sun was less massive than the Sun is at present.
• B) The young Sun was cooler in its core than the Sun is at present.
• C) The young Sun was less luminous than the Sun is at present.
• D) The young Sun had a smaller radius than the Sun does at present.

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Definitions:

Marginal Product

The additional output that results from using one more unit of a particular input, keeping other inputs constant.

Variable Input

Any resource used in production whose quantity can be changed in the short term to increase or decrease output.

Marginal Revenue Product Curve

A graphical representation showing how the additional revenue generated by employing one more unit of a resource varies with the quantity of the resource employed.

Marginal Revenue Product Curve

A graphical representation showing how the revenue generated from selling an additional unit of output changes as more of the output is produced.