Microbes Are Important on Earth Because

question 19

Multiple Choice

Microbes are important on Earth because

• A)they regulate geologic processes such as weathering.
• B)they produce gases such as oxygen and carbon dioxide.
• C)they facilitate the precipitation of minerals.
• D)they do all of the above.

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Definitions:

"The White Man's Burden"

A poem by Rudyard Kipling, which encouraged Western powers to colonize and rule over non-Western societies, believed to be for the latter's benefit but criticized for promoting imperialism.

Imperialism

The policy, practice, or advocacy of extending the power and dominion of a nation especially by direct territorial acquisitions or by gaining indirect control over the political or economic life of other areas.

Charles Darwin

A British naturalist and biologist known for his theory of evolution through natural selection, fundamentally altering the scientific view on the biological origins of life.

Racial Hierarchy

A system of classification or stratification where races are ranked as inherently superior or inferior to others.