Desertification Has Been Particularly Well Documented Over the Past 50

question 37

Multiple Choice

Desertification has been particularly well documented over the past 50 years in________ .

• A)the Empty Quarter of the Arabian Peninsula
• B)the Dust Bowl states of the Great Plains
• C)the steppe lands of southern Russia, Ukraine, and Kazakhstan
• D)the Sahel along the southern margin of the Sahara Desert

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Definitions:

Cyclopentene

A cyclic alkene with a five-membered ring, characterized by the presence of a carbon-carbon double bond, making it reactive in chemical syntheses.

Hydrogenation

The chemical reaction where hydrogen is added to another compound, often used to convert unsaturated bonds to saturated ones in hydrocarbons.

Bredt's Rule

A principle stating that bridged bicyclic compounds cannot have a double bond at a bridgehead position unless one of the rings contains at least eight carbon atoms, due to stability issues.

Stable Diene

A type of organic compound with two double bonds that exhibits stability in its structure and reactivity.