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Author Question: About what percent of adolescents in the United States try an illegal drug (not including alcohol) ... (Read 182 times)

s.tung

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About what percent of adolescents in the United States try an illegal drug (not including alcohol) by their senior year in high school?
 
  a. 75
  b. 50
  c. 25
  d. 10

Question 2

There are approximately functional genes in human chromosomes.
 
  a. 12,000
  b. 47,000 c. 23,000 d. 95,000



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bhavsar

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Answer to Question 1

b

Answer to Question 2

c




s.tung

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Reply 2 on: Jun 22, 2018
Thanks for the timely response, appreciate it


ecabral0

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Reply 3 on: Yesterday
Gracias!

 

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