In stage 1 the two rates are balanced. In stage 2 they diverge , as the death rate falls relative to the birth rate. In stage 3 they converge again, as the birth rate falls relative to the death rate. Finally in stage 4 the death and birth rates are balanced again but at a much lower level.

6/6 is considered as 1 [ full fraction / whole number]
so that leaves us with 1/6
So, it's 1 1/6
C! water vapor freezes into crystals
Answer:
The answer is D. Totem Poles
Hope this helps :)