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I would have to say false. Petroleum byproducts are derived from, well petroleum. Petroleum is another name for oil, which itself is a nonrenewable resource.
Answer:River deltas are important in human civilization, as they are major agricultural production centers and population centers. They can provide coastline defense and can impact drinking water supply. They are also ecologically important, with different species' assemblages depending on their landscape position.
Answer:
As the parasite population increases the host population increases
