Which of the Following Is a Recent (Last Few Decades)

question 5

Multiple Choice

Which of the following is a recent (last few decades) discovery that confirms the key idea of the Copernican Principle?

• A) that the Earth has a Moon
• B) that gravity waves exist
• C) that planets around other stars are common
• D) that 65 million years ago a large asteroid hit the Earth
• E) that people from Eastern Europe are pretty smart

---

Definitions:

Depreciation

The process of spreading the costs of long-lived assets such as buildings and equipment over the total number of accounting periods in which they are expected to be used.

Interest Category

Groups or classes that share common interests or characteristics, often used in marketing to target products or services.