How Many Land Eco-Regions Have Been Identified by the World

question 39

Multiple Choice

How many land eco-regions have been identified by the World Wildlife Fund as top priorities for conservation efforts?

• A) 123
• B) 167
• C) 456
• D) 579
• E) 867

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Definitions:

Electrolytes

Minerals in the body fluids that carry an electric charge, important in numerous physiological processes including muscle function and fluid balance.

Conduct Electricity

The ability of a material to allow the flow of charge or electric current through it.

Covalent Bonds

Chemical bonds formed by the sharing of electron pairs between atoms, providing stability in molecular structures.

Charged Particles

Ions or electrons that carry an electric charge, either positive or negative.