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1. Which of the following is not necessary to test whether vinegar is an acid or a base? 5th Grade Science
A) A pH scale
B) Blue litmus paper
D) Red litmus paper
2. What is 2.34343434…as a fraction? 8th Grade Math
A) Not possible; it is an irrational number.
3.Maternal nutrition is very important to a baby's development. Which vitamin is linked to healthy brain development? AP Psychology Semester B
B) Vitamin C
C) Vitamin D
D) Folic acid
4. Bonus College Question — Economics 101
This course has been recommended for ACE CREDIT®, which means it is considered for credit at thousands of colleges and universities across the country. For more information, click here.
What does measuring "willingness to pay" help us do?
B) All of these are correct.
C) Determine our labor productivity rate.
D) Assign a dollar value to non-monetary incentives.