Rhizobium and Other Nitrogen Fixing Bacteria Can Reduce Atmospheric Nitrogen

question 49

Multiple Choice

Rhizobium and other nitrogen fixing bacteria can reduce atmospheric nitrogen to which of the following?

• A)ammonia.
• B)ammonium.
• C)nitrate.
• D)nitrite.
• E)all of these.

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Definitions:

Progressive Era

A period in the United States from the 1890s to the 1920s characterized by social activism and political reform aimed at addressing issues stemming from industrialization and urbanization.

Cigarette Smoking

The act of inhaling and exhaling the smoke produced by burning tobacco in a rolled paper.

16 States

Often refers to the number of states in a particular union or federation at a given time; the specific grouping can depend on historical context.

Southern Lynching

Extrajudicial killings, predominantly of African Americans, by hanging, historically prevalent in the Southern United States.