Closure Property. The closure property means that a set is closed for some mathematical operation. ... For example, the set of even natural numbers, [2, 4, 6, 8, . . .], is closed with respect to addition because the sum of any two of them is another even natural number, which is also a member of the set.
Ride his bike to school, find other exercise that lets him stay inside such as pushups, situps, planks etc.
if his parents have a treadmill he can run on that instead
True, because the stages go in accordance with the one before and after
Answer:
Expand her social circle with stronger and more diverse friendships
Explanation:
