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jeyben [28]
3 years ago
6

Control group definition

Biology
1 answer:
almond37 [142]3 years ago
7 0

Answer:

the standard to which comparisons are made in an experiment.

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Artificial Selection.
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Describe three types of relationships between organisms found within an ecosystem. How is energy transferred in each type of rel
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Which structure, if transected, will prevent the cerebral hemispheres from communicating with each other?
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3 years ago
Which statement best describes a human influence on the biogeochemical cycles?
maksim [4K]

The statement that best describes human influence on the biogeochemical cycle is as follows: increased eutrophication caused by high levels of nitrogen and phosphorous.

<h3>What is eutrophication?</h3>

Eutrophication is the ecosystem's response to the addition of artificial or natural nutrients, mainly phosphates, through detergents, fertilizers, or sewage, to an aquatic system.

Eutrophication is one major effect of the anthropogenic activities that release inorganic nutrients such as phosphate, nitrate etc into aquatic ecosystems.

However, eutrophication has its negative impacts on biogeochemical cycle as it alters the cycling of these nutrients.

Therefore, the statement that best describes human influence on the biogeochemical cycle is as follows: increased eutrophication caused by high levels of nitrogen and phosphorous.

Learn more about eutrophication at: brainly.com/question/13232104

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6 0
2 years ago
Plants,algae,and cyanbacteria all release.......as waste that animals use to breathe
Sati [7]

Answer:

oxygen

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all engage in oxygenic photosythesis (top equation), which means that they require water and release oxygen

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