For the numbers 100, 90, 80, 60, the range is ________
a. 50
b. 40
c. 80
d. 60
Answer: b
Psychology
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On average, it takes students ____ years to earn a bachelor's degree
a. 3 b. 5 c. 4 d. 6
Psychology
Melody is eight weeks pregnant and wants to find out as soon as possible whether her unborn baby has any genetic disorders. Which prenatal diagnostic technique would be most appropriate to use?
a. amniocentesis c. fetal surgery b. ultrasound d. chorionic villus sampling
Psychology