An atom.
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When water molecules are being made, two hydrogen atoms will make a hydrogen bond with one oxygen atom, making a water molecule.
Answer:
the production of carbon dioxides when soil organisms breathe.
Explanation:
soil or cellular respiration is a key ecosystem process that releases carbon from the soil in the form of CO 2.
Answer:
protozoan, organism, usually single-celled and heterotrophic (using organic carbon as a source of energy), belonging to any of the major lineages of protists and, like most protists, typically microscopic. All protozoans are eukaryotes and therefore possess a “true,” or membrane-bound, nucleus.
Explanation:
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