The biosphere is the worldwide sum of all ecosystems. Biodiversity is the variation of genetic species in the ecosystem.
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Answer:
8
Explanation:
There are originally 8 but 4 of them are the most common known ones.
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Answer:
During a process called photosynthesis, plants take in carbon dioxide, sunlight ,and water.
Plants make sugar and give off oxygen as a by-product of this process.
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Answer:crop rotation efficient irrigation systems minimal use of fertilizers soil and water conservation