Solve: Low Power magnification = 20x High Power magnification = 200x
Low Power F. D. = 6.5mm
12 cells fill the screen on High Power. What is the size of one cell in micrometers (um)?

what following? you said which of the following. but there is no be more specific.

velocity and height

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.

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.