Jake used to go surfing with his friends several times each week. Recently, he has been spending a lot of time playing computer games instead of surfing. What do you predict will be a result of this change? (1 point)
Select one:
a. An increase in his appetite and an increase in his stamina
b. A decrease in his stamina and an increase in his energy level
c. An increase in his energy level and decrease in his appetite
d. A decrease in his stamina and a decrease in his energy level