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The answer is 0%. I have already learned about this! :)
C) Lymph
Lymph (node) can also help you determine if you are fighting off a sickness or disease. Best place to feel Lymphs are on your neck
Viruses aren’t normally considered organisms
You subtract the number of protons and the mass to get the number of neutrons.
Answer:
Due to urease activity, bacteria are able to use urea as a sole nitrogen source and produce ammonia, which increases the pH in the proximal environment, causing Ca2+ and CO32- to precipitate as CaCO3.
