Children should spend no more than hours per day watching television, playing electronic games, and using the computer (except for homework)â
a) 1 to 2
b) 3 to 4
c) 2 to 3

option (a) 1 to 2

Explanation:

As per the guidelines of the  American Academy of Pediatrics (AAP) and the World Health Organization (WHO)

Hence,

The answer is option (a) 1 to 2

hygrometers and hair thermometers (often found as part of hygrometers/psychrometers) can be used to measure humidity. barometers are used to measure atmospheric pressure, while anemometers are used to measure wind speed. so the 2nd and 4th choices should be the correct answers.

answer; in england;