100 nanometers what is the magnification for this scale bar?

some of your causes might be acidic rain or natural wildfires that cause the parks to be degraded

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the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.