Which of these claims is most likely true of two species that share a recent common ancestor? O The two species have different developmental patterns.
The two species share DNA sequences.
O The two species have similar arms and legs.
O The ancestors of each species looked very different.

The periodic table houses noble gas elements in group 18. these elements are highly stable and rarely react with any other elements. what is one possible reason for the stability of the noble gas elements? a. they easily form covalent bonds. b. the compounds that they form with other elements are very unstable. c. their outermost shell has the maximum number of electrons that it can hold. d. they require less activation energy.