Which of the following activities belongs on the top of the physical activity pyramid?
a. playing video games
b. calisthenics
c. sprinting
d. running

The activities which belong on the top of the physical activity pyramid would be plying video games - a. 

The reason for this is that we should devote little time to playing video games and hence the playing video game activity as a physical activity being on top of the physical activity pyramid. 

The activities which belong on the top of the physical activity pyramid would be plying video games - a. 

The reason for this is that we should devote little time to playing video games and hence the playing video game activity as a physical activity being on top of the physical activity pyramid. 

Dis correct. the rest of the answers are definitely wrong.without the basic needs like food, shelter and love , one will remain trapped in trying to fulfil these needs first which means putting food on the table and struggling to pay bills. it is impossible to achieve self actualization when without the basic needs which is the base.

Answera tightly sealed house with an unvented water heater;