I think the answer is Chlorophyll.
Because then the people who live there could know if they are safe
Answer:
0 = -2, hence no solution.
Explanation:
4x + 2(x-5) = 3(2x-4)
4x + 2x - 10 = 6x - 12
6x - 6x = -12 + 10
0 = -2
The Toba super volcanic event caused a bottleneck in the human population by inducing an ice age .
I hope that's help !
