Darwin identified 13 different species of finch during his time on the Galapagos Islands. The main difference between the finches was the size and shape of their beaks. Which one of the following statements best describes how these differences developed?

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into

What best explains whether bromine (br) or neon (ne) is more likely to form a covalent bond? bromine forms covalent bonds because it has seven valence electrons, but neon has eight valence electrons and already fulfills the octet rule. bromine forms covalent bonds because it has many electron shells, but neon has only two electron shells and is tightly bound to its electrons. neon forms covalent bonds because it can share its valence electrons, but bromine has seven valence electrons and can gain only one more electron. neon forms covalent bonds because it has only two electron shells, but bromine has many electron shells and will lose electrons in order to fulfill the octet rule.

The carrier molecules of the electron transport system are located in the