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Vaccine, bacteria, pathogens, cells, toxins, antibiotics. In that order vaccine being first
Answer: adjective. Botany (of an ovary) having two carpells.
Your answer would be A. The earth element stays in the same area of the lithosphere, hydrosphere, or atmosphere where they originated when the earth was formed.
Energy is always lost as energy is moved from one level to another. ... The loss of energy due to the second law of thermodynamics results in a pyramid with a large base and a 10% ratio between levels.