MCA may refer to:

Science and technology

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Astronomy

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Aviation

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Biology and chemistry

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Climate

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  • Medieval Climatic Anomaly (Medieval Warm Period, also Medieval Climate Optimum), a notably warm climatic period in the North Atlantic region from about 950 to 1250.

Statistics and data science

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Technology

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Companies and organizations

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Companies

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Sports

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Government and politics

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Other organizations

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Education

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Degrees

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Educational institutions

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Professional courses

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People

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Other uses

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