Why Are There Many Deserts at 30° Latitude

question 1

Multiple Choice

Why are there many deserts at 30° latitude?

• A)Dry air rises at this latitude.
• B)Dry air sinks at this latitude.
• C)Dry air cools at this latitude.
• D)Dry air warms at this latitude.

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Definitions:

HDL Concentration

The amount of high-density lipoprotein, often referred to as "good" cholesterol, present in the bloodstream.

Cardiovascular Disease

A class of diseases that involve the heart or blood vessels, including coronary artery disease, hypertension, heart failure, and stroke.

Endocrine Gland

A gland that secretes hormones directly into the blood or tissue fluid instead of into ducts. Compare with exocrine gland.

Exocrine Gland

A gland that excretes its products through a duct that opens onto a free surface, such as the skin (e.g., sweat glands). Compare with endocrine gland.