Which is the best description of all the subjects studied in Earth science? A. Earth and its neighbors in space
B. Earth's materials and history
C. Earth's composition, including its rocky core, water, and atmosphere
D. Earth's history, including its formation, changes, and development of life

Two models of the same compound are shown. in what way is model b better than model a? model b shows the types of elements in the compound, but model a does not. model b shows the three-dimensional shape of the molecule, but model a does not. model b shows how the atoms in the molecule are connected, but model a does not. model b shows the number of atoms of each element in the molecule, but model a does not