A variable that should not change throughout the experiment is a(n):
Question 5 options:
(a.) Independent Variable
(b.) Dependent Variable
(c.) Control Variable

the answer is f1 and d2 because if you put equal force on those two points the beam would balance trust me on this

conservation of mass

mass before something happens = mass afterwards

blue light is scattered in different directions by the tiny molecules of air. blue is scattered more than other colours because it has a shorter distance to travel which results in smaller waves. this is why we see a blue sky most of the time.