Answer: both testing effects and the effects of the calming music
Explanation: A brief intelligence test helps reinforce learning and makes it more likely that the participants can retrieve related information later as it is more likely to retain information if it is learned separated over time. Calming music may improve test-taking skills, improve performance, reduce stress and test anxiety of the participants and well as improving concentration. Therefore, the participants' increases in test scores may be due to both testing effects and the effects of the calming music.
If your choices are the following:
<span>A.When you were in school, you got to take a wide variety of electives, and you grew up to become members of the school board!
B.A poll of the student body shows that 88 percent of struggling students feel more motivated to come to school because of their electives. 
C.I am a straight-A student, and my art class is one of the best parts of my day. Without it, I wouldn't look forward to coming to school.
D.You might not remember this, but teenagers don't like being forced to spend all their time studying boring subjects.
So the answer, for me, would be </span>B.A poll of the student body shows that 88 percent of struggling students feel more motivated to come to school because of their electives.  This will give a proof about my claim.
I recommend google it's very cool thing called a search engine.
Answer:
a. spent the rest of his life teaching
Explanation:
Buddhism originated from the teachings of Siddhartha Gotama who was a royal, he spent six years studying and meditation on various religions and after his enlightenment, he spent the rest of his life teaching about Buddhism till he died at the age of 80 years.
The following two countries were allied DURING World War II but not AFTER the war:
C) United States, Soviet Union
These two nations (United States and the Soviet Union/Russia) were on opposing sides after World War II, leading to the Cold War between the two.