What is the recommended amount of physical activity for children?
A . at least 2 hours per day
В . 4 hours per week
C . at least 1 hour per day
D . no more than 30 minutes per day

C

Explanation:

Children should get at least 60 minutes (1 hour) of physical activity outside every day.

This is a common rule of thumb and is applied everywhere if you look it up.

Hope this helps! :)

C) At least 1 hour per day

Explanation:

The recommended amount of physical activity for children (children meaning youth ages 5 - 17) should accumulate at least 60 minutes (1 hour) of physical activity.

i think your answer is c. measurement system in which the medication dosage was calculated.