For a satellite to stay in orbit around earth, it has to be moving forward very fast all the time. what force will make it fall to earth if it goes too slowly?

earth's gravity

the force of friction

the magnetic force from earth's north pole

the sun's gravity

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