Which volleyball move involves hitting the ball forcefully downward onto the opponent's floor?

Spike

Who was the Greek god of music, healing, and prophecy? Which singer released the hit "Watermelon Sugar"? Mount Elbrus, Europe's highest peak, is in which country? Which Asian nation started the lighting lantern tradition for their Winter Solstice festival called Dongzhi? Who betrayed Jesus for 30 pieces of silver?