Mathematics, 07.01.2020 22:31, brian2913
Aschool principal wants to observe if natural light has an effect in the classroom learning. the principal randomly chooses two groups of students of the same age and grade, and places both groups in rooms on opposite sides of the school, one facing east and one facing west, during a 10 am class. the test scores of both classes are compared at the end of the semester. how could this observation be changed into a valid experiment of the effects of natural light?
a. by introducing adjustable light fixtures in each classroom
b. by introducing adjustable blinds in each classroom
c. by tinting the windows in bith classrooms with the same film
d. by including classrooms facing north and south
Answers: 2
Mathematics, 21.06.2019 19:30, viodsenpai
John checked his watch and said that it is thursday, 7 am. what will the day and time be 2006 hours plzzz i will give you 100 points
Answers: 1
Mathematics, 21.06.2019 23:30, alyssasnyderrr
Which pair of numbers is relatively prime? a. 105 and 128 b. 130 and 273 c. 205 and 350 d. 273 and 333
Answers: 3
Aschool principal wants to observe if natural light has an effect in the classroom learning. the pri...
Mathematics, 06.01.2021 23:10
Mathematics, 06.01.2021 23:10
Biology, 06.01.2021 23:10