The Thermopause Is Located

question 10

Multiple Choice

The thermopause is located

• A)between the mesosphere and the thermosphere.
• B)wherever -90°C (-130°F)is recorded.
• C)on average,approximately 480 km (300 mi. )above Earth's surface.
• D)at the bottom of the homosphere.
• E)between the homosphere and the heterosphere.

---

Definitions:

Positively Correlated

A term describing two variables that move in the same direction, such that when one variable increases, the other also increases.

Securities' Returns

The profit or loss generated on a security over a particular period, usually expressed as a percentage.

Variances

The quantitative measure of the difference between actual and expected behavior, often used in finance to assess volatility of returns or tracking errors.

Covariances

An indicator of the extent to which two variables fluctuate in tandem.