Biogeochemical Cycles
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Questions and Answers

What are the two main sources of water vapor entering the atmosphere?

Evaporation from the ocean and transpiration from plants

How is water vapor transported through the atmosphere?

By winds

What happens when the air carrying water vapor cools?

The water condenses into tiny droplets that form clouds

What are the different forms of precipitation?

<p>Rain, snow, sleet, or hail</p> Signup and view all the answers

What are the four main components through which the water cycle passes?

<p>Atmosphere, hydrosphere, geosphere, and biosphere</p> Signup and view all the answers

What are the main processes involved in the biogeochemical cycles?

<p>The main processes involved in the biogeochemical cycles are biological processes, geological processes, physical and chemical processes, and processes driven by human activity.</p> Signup and view all the answers

Give examples of biological processes in the biogeochemical cycles.

<p>Examples of biological processes in the biogeochemical cycles include photosynthesis, respiration, eating, and eliminating waste products.</p> Signup and view all the answers

Which sphere do geological processes primarily occur in?

<p>Geological processes primarily occur in the geosphere.</p> Signup and view all the answers

What are some examples of physical and chemical processes in the biogeochemical cycles?

<p>Examples of physical and chemical processes in the biogeochemical cycles include cloud formation, precipitation, flow of running water, and action of lightning.</p> Signup and view all the answers

How do human activities contribute to global change?

<p>Human activities contribute to global change through actions such as mining and burning fossil fuels, land clearing, forest cutting and burning, and the manufacture and use of fertilizers.</p> Signup and view all the answers

Flashcards

Water vapor sources

Evaporation from oceans and transpiration from plants are the primary sources of water vapor entering the atmosphere.

Water vapor transport

Winds move water vapor throughout the atmosphere.

Condensation

Cooling air causes water vapor to change back into tiny liquid water droplets, forming clouds.

Precipitation forms

Water falls from the clouds as rain, snow, sleet, or hail.

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Water cycle spheres

The water cycle involves the atmosphere, hydrosphere, geosphere, and biosphere.

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Biogeochemical cycles

These cycles involve biological, geological, physical/chemical, and human processes that move elements through the environment.

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Biological processes

These include photosynthesis, respiration, and other life functions.

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Geologic processes

Processes happening within Earth's surface, like rock formation or erosion.

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Physical/Chemical processes

Cloud formation, precipitation, and water movement are examples.

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Human activities impact

Mining, burning fossil fuels, clearing land, & farming impact global changes.

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Photosynthesis

Plants use sunlight to make food, absorbing carbon dioxide.

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Respiration

Living organisms release energy by breaking down food.

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Fossil Fuels

Coal, oil, and natural gas formed from ancient organisms.

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Land Clearing

Removing forests for agriculture or development.

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Global Change

Changes to the Earth's systems and climate patterns.

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Climate Patterns

Long-term weather trends for a region or the entire planet.

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