A is the most sensible answer
Answer:Eukaryotic cells are generally larger and more complex than prokaryotic cells. They also contain a variety of cellular bodies called organelles. The organelles function in the activities of the cell and are compartments for localizing metabolic function.
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bacteria in your mouth, frequent snacking, sipping sugary drinks and not cleaning your teeth well.
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Tooth decay is damage to a tooth's surface, or enamel. It happens when bacteria in your mouth make acids that attack the enamel.
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-Ecosystems are the foundation of the 'Biosphere' and maintain the natural balance of the earth.
-An ecosystem is an ecological community comprised of biological, physical, and chemical components, considered as a unit.
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