Huan wants to enter the science fair at his school. He has a list of ideas for his project. Which questions could be answered through scientific investigation? Check all that apply.

step-by-step explanation:

100%     = 120

1%= 120/100=   1.2

9%   = 1.2 x 9=     10.8

10.80 to the 120 to get $130.80

john maynrd keynes developed new economic respose to the                           ( b. great depression if the 1930's)

no it wouldn't because yellow journalism would exaggerate in everything.