What Would a Civilization Within 60 Light-Years Away Be Able

question 57

Multiple Choice

What would a civilization within 60 light-years away be able to detect from Earth?

• A) our first TV transmissions
• B) our cellular phone transmissions
• C) our production of machines that create noise
• D) our excessive carbon emissions
• E) our wireless Internet transmissions

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Definitions:

Sales Returns

Goods returned by the buyer to the seller, leading to a reduction in the seller's revenue.

Contra-Revenue Account

An account that is used to record deductions from gross revenue, resulting in net revenue.

Income Statement

A financial statement that reports a company's financial performance over a specific accounting period, detailing revenue, expenses, and profits or losses.