Light Elements Like Hydrogen and Helium Form a Large Percentage

question 24

Multiple Choice

Light elements like hydrogen and helium form a large percentage of the outer planets and Sun is made up primarily of hydrogen.Why are these elements nearly absent from the inner planets?

• A)The Sun captured all of the hydrogen during its formation.
• B)These light elements are blown away from the inner planets by the solar wind.
• C)It is a mystery that has never been solved by science.
• D)Hydrogen and helium have all been bound up by chemical reactions on the inner planets and are held in rock.

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Definitions:

Just-in-time System

A production strategy that strives to improve a business's return on investment by reducing in-process inventory and associated carrying costs, delivering materials just as they are needed in the production process.

Responsibility

A duty or obligation to perform or refrain from performing certain actions, often associated with a specific role or position.

Carrying Inventory

The total value of inventory a company holds at a given time, including goods ready for sale and raw materials.