All of the Following Statements About the Sun's Corona Are

question 54

Multiple Choice

All of the following statements about the Sun's corona are true.Which one explains why it is a source of X-rays?

• A)The temperature of the corona's gas is some 1 to 2 million Kelvin.
• B)The corona lies above the visible surface of the Sun.
• C)The corona's gas consists mostly of hydrogen and helium.
• D)The corona's structure is largely shaped by magnetic fields.

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The amount by which the sale price of a unit exceeds its variable cost, indicating how much each unit contributes to covering fixed costs and generating profit.

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Manufacturer

A person or company that makes goods for sale through the process of combining raw materials and components.