What Is a Dead Zone

question 66

Multiple Choice

What is a dead zone?

• A)waters so depleted of oxygen that aquatic life suffers
• B)waters too hot for aquatic life to survive
• C)water too salty for humans to drink
• D)an area of water with high densities of plastic
• E)water with any nutrients in it

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Definitions:

Predominate

To be the strongest or main element; to have a commanding or dominant position.

2-Methylbutane

An organic compound, also known as isopentane, characterized by a branched chain of carbon atoms, used as a refrigerant and in organic synthesis.

2-Methylbut-1-ene

An alkene with the formula C5H10, featuring a double bond at the first position and a methyl group at the second position.

Elimination Products

Substances formed from the removal of atoms or groups in a molecule, often resulting in the formation of double or triple bonds.