Diagrams of environmental cycles are simplified to omit...

Name: Problem 0, Chapter 22: Chemistry: The Molecular Nature of Matter and Change
Uploaded: 2020-09-15T23:02:07-08:00
Duration: 1 min 1 s
Channel: Andrew Chancellor
Description: Diagrams of environmental cycles are simplified to omit minor contributors. For example, the production of lime from limestone is not shown in the cycle for carbon (Figure 22.5, p. 983). Which labeled category in the figure includes this process? Name two other processes that contribute to this category 11

Diagrams of environmental cycles are simplified to omit minor contributors. For example, the production of lime from limestone is not shown in the cycle for carbon (Figure 22.5, p. 983). Which labeled category in the figure includes this process? Name two other processes that contribute to this category 11

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Key Concepts

Environmental Cycle Diagrams

These diagrams are simplified models that represent the transfer of elements or compounds among various reservoirs (such as the atmosphere, hydrosphere, biosphere, and geosphere). In order to communicate the main pathways and reservoirs, they often group together or omit minor processes that, although they occur, contribute relatively little to the overall cycle.

Carbon Cycle

The carbon cycle describes the continuous movement of carbon among Earth’s major reservoirs, including the atmosphere, terrestrial organisms, oceans, and sediments. It encompasses both rapid processes like photosynthesis and respiration, as well as slow geological processes such as sedimentation and metamorphism, all of which collectively regulate carbon levels over time.

Geological Processes in Biogeochemical Cycles

Geological processes refer to the long?term transformations and transfers of elements between the earth’s solid crust and other reservoirs. In the context of the carbon cycle, these processes include weathering of rocks, formation and alteration of carbonates, and volcanic activity. Although many specific reactions may be grouped under this broader category, they play a crucial role in controlling the carbon stored in the geosphere.

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