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Plankton is part of an aquatic ecosystem
Earths lithospere is solid and sits on top of the softer asthenosphere.
C. Ice is less dense than water which means water condenses when it freezes allowing the ice in a lake to float on top of the water preventing the water below from freezing.
Answer:
overreacts to an antigen
Explanation:
Allergies to substances are as a result of immunological dysfunction.
