Jayla was disappointed that she didn't get the leading role in the school play. Her mom told her to make which expression to help her move beyond her feelings of sadness more quickly?

A). A smile.

Explanation:

The expression that would help Jayla to overcome her feelings of disappointment and regret would be 'a smile.' It is psychologically proved that even if a smile or laughter is forced, it is helpful in letting out the neurochemicals from our body which is the key cause of the negative feeling. Thus, smiling will help Jayla in feeling better quickly. Therefore, option A is the correct answer.

heat from the core of the earth causes convection currents to occur in the mantle. these currents slowly move the crust around.