Africa's coast looks as if it was once joined to north america's coast. a. northwest; east b. northeast; west c. east; northwest d. west; northeast

During which time interval does the object travel approximately 10 meters

What determines the average kinetic energy of the particles in a gas? a. the number of collisions b. the number of particles c. the size of the particles d. the temperature

Does the number of ions in solution increase, decrease, or remain constant? it continuously decreases. it continuously increases. it decreases at first, then increases. it increases at first, then decreases.