Tom rogers wanted to test a new "singalong" method to teach math to 4th graders (e. g., "i love to multiply" sung to the tune of "god bless america"). he used the singalong method in his first period class. his 6th period students continued solving math problems with the old method. at the end of the term, mr. rogers found that the first period class scored significantly lower than the 6th period class on a mathematics achievement test. he concluded that the singalong method was a total failure.

i discarded the supernatant and kept the pellet in this part of the experiment because you have to return all unused chemicals into their original containers at the end of each labratory.

explanation:

the correct answer is b

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we can argue that appeasement caused world war ii because it allowed hitler and the nazis to build germany’s military power until it was strong enough to fight a major war. additionally, appeasement emboldened germany, making it think the allies would never have the will to fight. this made germany much more aggressive and encouraged it to take the steps that eventually led to war.