____________________ Is a Discharge of Electricity, a Giant Spark, Which

Q67: The most likely time for an ordinary

Q68: When a dart leader moving toward the

Q69: Thunderstorms are most common in the Great

Q70: A cloud-to-ground lightning discharge will sometimes appear

Q71: Electrons _.<br>A)are negatively charged<br>B)are positively charged<br>C)carry no

Q73: Thunderstorms that produce tornadoes _.<br>A)have very little

Q74: Left-moving supercell thunderstorms are uncommon in the

Q75: Lightning can shoot from the top of

Q76: The lightning stroke can heat the air

Q77: An important principle in one of the