Suppose you need to build a raft to cross a fast moving river. describe the physical and chemical properties of the raft that would be impatient to ensure your safety

the answer to your question is a plant

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

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what bodys are there orbiting?

what? are the statements?