In today's demonstration, what statement is true? Question 4 options:

Energy was created when the ball began moving down the ramp.

Potential energy converted to kinetic energy when the ball started moving down the ramp.

Kinetic energy converted to potential energy when the ball started moving down the ramp.

Energy was destroyed as the ball came to a stop.

Josh is teaching michael how to be an effective speaker. what two general hints for effective informative speaking should josh share?

In the wake of the civil war, compared to the south the north had sustained very little destruction. had to create a new labor system. had more economic challenges. had to repair damaged property.

Persons who have not yet attained the legal age of consent under the applicable laws in the jurisdiction in which the research was approved. persons who are under 18 years of age. persons who have not yet attained the legal age of consent under the applicable laws in the jurisdiction in which the research will be conducted. persons who are under 21 years of age.