Hihihihihihihhihi say an answer and u get 20 points

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?

  the mississippians were considered to be  horticulturalists, which means they were

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d