Over the Last Century and a Half, the Main Source

question 31

Multiple Choice

Over the last century and a half, the main source of increased atmospheric carbon dioxide has been ________.

• A) volcanoes
• B) photosynthesis
• C) photoperiodism
• D) rock decomposition
• E) burning of fossil fuels

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Definitions:

Monsoon Climate

A type of climate characterized by an annual cycle of dry and wet seasons, primarily due to significant variations in rainfall.

Temperature Differentials

The difference in temperature between two points, often contributing to various physical phenomena like heat transfer.

Air Circulation

The movement of air within and around a space, which is crucial for temperature regulation and removing pollutants.

Biomes

Large ecological areas on the Earth's surface, with flora and fauna adapting to their environment, such as forests, deserts, and tundras.