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Which of the following are false concerning microbes? a. microbes generate oxygen through photosynthesis.b. the primary role of microbes on the planet involves causing disease in animals and humans.c. microbes produce vitamins in the intestines.d. microbes play a role in breaking down waste and decomposing dead organisms.

When analyzing tree rings, what do scientists assume a thin ring indicates?

What organelle other than the nucleus houses dna in a eukaryotic cell?