Tropical rain forests have a high degree of biodiversity. how do tropical rain forests contribute to the overall health of the bioshpere

Why should the united state be concerned about air pollution in china?

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Which of these best describes what occurs during cytokinesis? a) the chromosomes are separated b) the cell begins to divide by replicating the chromosomes c) the cytoplasm is divided between the two new daughter cells d) the nucleus opens to allow the chromosomes to enter the cytoplasm