Which of the Following Is NOT Evidence of the Existence

question 7

Multiple Choice

Which of the following is NOT evidence of the existence of an interstellar medium?

• A)extinction of light from distant stars
• B)very narrow calcium absorption lines in the spectra of O and B stars
• C)reddening of more distant stars
• D)molecular absorption lines in the spectra of cool stars

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Definitions:

Horizontal Line

A straight line that has a constant y-value in the plane Cartesian coordinate system, indicating no change in the vertical direction.

Inferior Goods

For inferior goods, demand decreases as income increases.

Demand for Potatoes

The consumers' desire and willingness to purchase potatoes at a given price.

Decrease in Income

A reduction in the amount of money received, typically referring to wages, salaries, or investment returns.