Controlled Experiments Are

question 111

Multiple Choice

Controlled experiments are

• A)seldom used in economics because economists do not like to repeat experiments.
• B)often used because controlling other factors is relatively easy in economics.
• C)not used as widely in economics as in other disciplines.
• D)often used in economics.
• E)performed by the government to collect economic data.

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Definitions:

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Endosymbiont Theory

The theory that explains the origin of organelles like mitochondria and chloroplasts in eukaryotic cells, suggesting they were once independent prokaryotic organisms.

Mutualistic Relationships

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