Which of the Following Statements Is Correct About Biogeochemical Cycling

question 10

Multiple Choice

Which of the following statements is correct about biogeochemical cycling?

• A)The phosphorus cycle involves the recycling of atmospheric phosphorus.
• B)The phosphorus cycle is a cycle that involves the weathering of rocks.
• C)The carbon cycle is a localized cycle that primarily involves the burning of fossil fuels.
• D)The carbon cycle has maintained a constant atmospheric concentration of CO2 for the past million years.
• E)The nitrogen cycle involves movement of diatomic nitrogen between the biotic and abiotic components of the ecosystem.

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Definitions:

Visible Light

The part of the electromagnetic spectrum that stimulates the eye and produces visual sensations.

Cosmic Rays

High-energy particles, originating outside the solar system, that travel through space and strike the Earth's atmosphere.

Ultraviolet Rays

Invisible radiation with wavelengths shorter than visible light but longer than X-rays, capable of producing chemical reactions and causing harm to skin and eyes.

Visual Field

The entire area that can be seen when the eye is directed forward, including peripheral vision.