A Scientist Theorizes That Several Billion Years Ago, a Large

question 8

Multiple Choice

A scientist theorizes that several billion years ago, a large asteroid collided with the Earth, knocking tons of rock into space and creating the Moon. Which statement constitutes a research hypothesis that follows from this theory?

• A)The universe was created by a Big Bang.
• B)It is possible to someday inhabit the Moon.
• C)Moon rock should be made of the same elements as Earth rock.
• D)The Moon will itself someday collide with the Earth.

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Definitions:

State Excise Tax

Taxes imposed by a state on particular goods or activities, such as alcohol, cigarettes, and gasoline.

Federal Excise Tax

A tax imposed by the federal government on the sale of certain goods and services, such as gasoline, alcohol, and tobacco.

Efficiency Loss

The loss of economic efficiency that can occur when the balance between supply and demand is not achieved or when market conditions lead to a misallocation of resources.

Marginal Benefit

The additional satisfaction or utility gained by consuming or producing one more unit of a good or service.