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trapecia [35]
3 years ago
5

Which of these is an abiotic factor of an aquarium system

Biology
1 answer:
DanielleElmas [232]3 years ago
4 0
Water
stones
plastic plants

hope this helps!
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Based on what we have learned so far about the cardiovascular and respiratory systems, blood pH should be lower in the ___ compa
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What is the name of the enzyme that separates the two chains of the parent dna
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<h3>What is Urine?</h3>

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Many by-products of cellular metabolism, such as urea, uric acid, and creatinine, are nitrogen-rich and must be removed from the bloodstream. These by-products are excreted from the body through urination, which is the major way for excreting water-soluble compounds. A urinalysis can identify nitrogenous wastes in mammals.

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