HELP! WILL GIVE BRANLIEST!
(Both questions 17 and 18)
EXTRA POINTS TOO

Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above

What chemical speeds up the process of decomposition in dead organisms are exposed to it? nitrogen oxygen hydrogen chlorine

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.