How could you determine if a chemical is an element or a compound?

Which statements about tornadoes are true? check all that apply. (a) about 12,000 tornadoes hit the united states every year. (b) a tornado looks like a funnel. (c) tornadoes are deadly atmospheric storms that cause millions in damages each year. (d) tornadoes can reach wind speeds of more than 300 miles per hour. (e) kansas is the state with the most tornadoes. (f) you will always notice a funnel before a tornado strikes.

Amagnetic field applies forces on: a)static chargesb)moving chargesc)water flow

The direction of the current in an alternating current circuit remains constant. is direct. changes repeatedly. changes randomly.