Your answer would be All of the Above
Natural ecosystems are able to maintain a vibrant diversity of life because they incorporate intricate recycling systems that conserve essential materials.
Answer: b is the answer to this question
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Answer:
The answer is that the actual shape of the planetary orbit around the sun is elliptical.
Explanation:
The actual shape of the orbit of a planet around the sun is elliptical.
The assumption made by the Newton regarding the shape of an orbit of a planet around the sun was that the orbit of a planet around the sun is 'circular'.
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