Podcast
Questions and Answers
Biogeochemical cycles involve only biological and chemical interactions.
Biogeochemical cycles involve only biological and chemical interactions.
False (B)
Carbon is fixed through respiration.
Carbon is fixed through respiration.
False (B)
The oxygen cycle is not essential for organisms.
The oxygen cycle is not essential for organisms.
False (B)
Phosphorus is not a biogeochemical cycle.
Phosphorus is not a biogeochemical cycle.
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Carbon deposits are released through natural activities only.
Carbon deposits are released through natural activities only.
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Nitrogen is an essential component of proteins.
Nitrogen is an essential component of proteins.
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The natural release of phosphorus is very rapid.
The natural release of phosphorus is very rapid.
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Water is responsible for the distribution of heat and energy in the Earth's atmosphere.
Water is responsible for the distribution of heat and energy in the Earth's atmosphere.
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Human activities have had no impact on the nitrogen cycle.
Human activities have had no impact on the nitrogen cycle.
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Sulfur compounds are determinants of the basicity of rainfall, surface water, and soil.
Sulfur compounds are determinants of the basicity of rainfall, surface water, and soil.
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Biogeochemical cycles are not essential for the functioning of ecosystems.
Biogeochemical cycles are not essential for the functioning of ecosystems.
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