Freezing. The greenhouse effect is the way how earth is kept warm , as the heat radiation is trapped through the gasses ( gasses reflect the radiation back to earth) without the green house effect, the earth I assume would be all "iced up"and " bare and bold" up, and life (as we know it ) would not survive ( some others forms of life may take place but we never know...)
Personal opinion , free to accept other ideas .
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Each time a cell prepares to divide into 2 new cells, it must make a new copy of the DNA in its chromosomes. This process is not perfect, and errors can occur that may affect genes within the DNA. Cancers can be caused by DNA mutations (changes) that turn on oncogenes or turn off tumor suppressor genes.
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The answer is B. Multi cellular does not describe Dinoflagellates<span />
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Your answer is C) Chelation therapy
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Chelation therapy is a method for removing heavy metals, such as mercury or lead, from blood. It's one of the standard treatments for many types of metal poisoning. Hope this helped :)
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the answer is b. muscular walls of the arteries
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