1.) Can you describe the right way to hold a microscope? 2.) The boy is wondering on what to use to clean the microscope lenses. The lens tissue has been treated to prevent scratching. What should one use to clean? Why?
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Which symbols below represent the ions found in the glass of water ? a. oh- and h+ b. co2 and o2 c. o2 and h2 d. nh3- and h+

What best describes the dropping height of a ball that bounces back up to a height of 45 cm

Duchenne muscular dystrophy is a serious condition caused by a recessive allele of a gene on the human x chromosome. the patients have muscles that weaken over time because they have absent or decreased dystrophin, a muscle protein. they rarely live past their twenties. how likely is it for a woman to have this condition? a) women can never have this condition.b) one-fourth of the daughters of an affected man would have this condition.c) one-half of the daughters of an affected father and a carrier mother could have this condition.d) only if a woman is xxx could she have this condition.