Which of the following questions would NOT be an appropriate scientific question that could be tested through experimentation? Question 8 options:

What impact does pollution have on the colors seen in rainbows
Which brand of crayons has the brightest colors?
What is the most popular color?
What affect does color have on moods?

Bridget is in science class. her teacher gives her two unknown substances and asks her to determine their relative ph. she places a piece of red litmus paper into both substances. the litmus paper turns purple when she places it into substance i. the litmus paper turns blue when she places it into substance ii. a. substance i is a neutral substance and substance ii is an acid. b. substance i is a neutral substance and substance ii is a base. c. substance i is an acid and substance ii is a base. d. substance i is a base and substance ii is a neutral substance.