A) a common ancestor
Homologous structures are structures that are similar in related organisms. There is a basic pattern of bones which can be inherited from a common ancestor
Answer:
8
Explanation:
There are 3 sodium atoms, 1 phosphorus atom, & 4 oxygen atoms.
3+1+4=8 atoms in total
Answer:
oxygen, sulfur, selenium, tellurium, polonium, and ununhexium (O, S, Se, Te, Po, and Uuh, respectively)
Explanation:
i hope it helps all this are 6 valence from electron and form 2-iron.
