Jonas drew a diagram to compare two kinds of evidence that support the theory of evolution. Which label belongs in the area marked Z?

no longer used by species
link two species to a common ancestor
evidence of adaptations to similar environments
part of comparative anatomy studies

its weight is greatest on earth

aquifers are bounded above and below by impermeable rock. the driving force of groundwater movement in confined aquifers is pressure, rather than gravity.

what is the question here. i think you messed up.

answer; the numbers of valence electrons in the acetic acid molecule (ch3co2h) is 24;