There's a calculator in this planet earth just use that. It's easy
Answer -<em> A) Health Care, B) Education, C) Enviromental Protection</em>
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The answer is diffration hope this helped!
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Answer:Examples of ecosystems are: agroecosystem, aquatic ecosystem, coral reef, desert, forest, human ecosystem, littoral zone, marine ecosystem, prairie, rainforest, savanna, steppe, taiga, tundra, urban ecosystem and others. plants, animals, soil organisms and climatic conditions. this is for number one </h2><h2>
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Each of the organisms in an ecosystem fills the energy role of producer, consumer, or decomposer.
Explanation:
In the trophoshere
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