Which activity will cause tension in the legs
a) stretching legs before run
b) standing for 5 minutes
c) pressing car accelerator
d) squatting to pet a dog

Which statement supports the principle ideas of jean piaget's philosophy? adults should not interact with teachers. children are best educated through standardized training. adults do not think better than children, but they think differently. children should not form hypotheses until they are certain their findings will be correct.