There Have Been Several Mass Extinctions in the Planet's History,such

question 45

Multiple Choice

There have been several mass extinctions in the planet's history,such as the extinction of the dinosaurs,but the current mass extinction is different.Greater numbers of species are now going extinct faster than ever before.Also unique to the current mass extinction is the cause.What is causing the current mass extinction?

• A) Man's direct activities
• B) Climate change
• C) Rising sea levels
• D) Solar flares

---

Definitions:

Unemployment Level

The proportion of the workforce that is not currently employed but actively seeking employment.

Interest Rate

is the cost of borrowing money or the return for investing, usually expressed as a percentage of the principal over a one-year period.

Consumption Function

An economic formula representing the relationship between total consumption and gross national income, positing that consumption patterns are directly related to income levels.

Price Level

A measure of the average prices of goods and services throughout the economy, indicating the cost of living or inflation rate.