Choose the correct alternatives.

a) The amount of Finnish land surface area that is covered in bogs is:
approximately 10 %
over 25 %
over 30 %
approximately half

b) Bog formation is accelerated by:
heavy precipitation
heavy evaporation
warm temperature
flat ground

c) Peatland complex types:
The edges of a raised bog are lower than its center.
The central parts of a raised bog are rich in nutrients.
Palsa bogs are common in Kainuu and in Northern Ostrobothnia.
Aapa fens receive a lot of nutrients from their surrounding environment.

e) Forest-like bog types include:
open bogs
pine swamps
spruce bogs
water meadows