A food chain shows a single connected path of energy flow through an ecosystem. It shows the different levels of eating in an ecosystem. Both a good web and a good chain include a number of organisms including both producers and consumers. A food chain is very simple while a food web is complex and consists of a number of food chains. In a food chain each organism has only one consumer or producer.
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The answer is 20 degrees then the temperature will start going to other organs
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i think iam not sure it is C
Alveoli are found in lungs and exchamge O2 and Co2 !!
so answer is last one !!
