Which system is responsible for creating red blood cells? a
skeletal
b
muscular
c
nervous
d
circulatory

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

(99 points) be serious! how do farts work? how do you fart without it stinking? serious answers only

Which statement best explains why cells were observed in more detail using a compound microscope than a simple microscope? a compound microscope has greater magnification ability than a simple microscope. the compound microscope was invented before the simple microscope. a compound microscope is much easier to manufacture than a simple microscope. compound microscopes were more common than simple microscopes.