Isaac wants to win a 5k running race, but because he spends several hours after school playing video games, he doesn't have time to train. what type of goal-setting challenge is isaac facing?
a. distractions
b. fear of failure
c. uncertainty
d. lack of control

You which of the following statements is true? muscle tremors are an early symptoms of alzheimer's disease. type 2 diabetes is hereditary and cannot be prevented. certain medications can cure als and parkinson's disease. exercise is a natural way to relieve pain and stress.