Answer:The correct answer is option C. "Bacteria".
Explanation:he biosphere is the layer of the Earth where all living organisms live and interact with each other. The biosphere is a broad concept that includes all the regions of the Earth where an organism can live or where organic material can exist. Since bacteria is a living microorganism, it is considered a component of the biosphere.
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Compositional layers are determined by their components, while mechanical layers are determined by their physical properties.
Answer:
Aerobics is a type of physical activity that combines rhythmic aerobic exercise with stretching and strength training exercises to improve overall fitness.
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