Answer:
Hey there!
I believe that David's prediction would be: If the amount of pollutants in the atmosphere reached an amount unhealthy for the salamanders, then the salamander population would decrease.
Let me know if this helps :)
1 is D
2 is C
3 is A
4 is B
5 is A
6 is D
7 is B
8 is C
9 is asexual reproduction
10 is sexual reproduction
Answer:
The doctor should suggest a cochlear implant