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Answer:
some sort of water system, (a river/groundwater/purification plant ect.)
Explanation:
<span>Control of physiological activities. Homeostasis involves the steady state and regulation of the body's internal environment. Irritability is the ability to respond to a stimulus.</span>
Answer:Succession as progressive change in an ecological community. Primary vs. secondary succession. The idea of a climax community.
Explanation: