motivate, motivation, motivating/motivated
practice, practice, practiced/practising
succeeding, success, successful
instruct, instruction, instructive, instructively
concentrate, concentration, concentrated, concentratedly
capability, capable, capably
express, expression, expressive, expressively
Answer:
D
Explanation:
An challenge is basically a call to adventure, depending on your perspective
You could go straight to statistics and saying how it allows the minds of kids to register more due to the more sleep and how awake their minds are later in the day then earlier or you could also take a factual appeal