Hey there!
We need to find a common denominator.
5*3= 15
4/5= 12/15
2/3= 10/15
12+10=22
22/15
or
1 7/15
I hope this helps!
~kaikers
Be more specific please on this question
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 :)
This would be called an ion. Tch.
I think the answer is b not too sure though
