Down syndrome is the result of a) environmental insult, ...

[itsmyluck]

Down syndrome is the result of
 
  a) environmental insult, usually during the birth process.
  b) a recessive-gene disease.
  c) a specific chromosomal abnormality.
  d) none of the above.

Question 2

What is one similarity shared by cocaine and heroin?
 
  a) They are physically addictive.
   b) They originally had a benign image.
   c) They were once ingredients in soda pop.
   d) They increase bodily activity and reactivity.

[1_Step_At_ATime]

Answer to Question 1

c

Answer to Question 2

b

[itsmyluck]

Great answer, keep it coming

[komodo7]

Excellent