The chart shows four environments and the kind of succession that would occur there.
ENVIRONMENT
KIND OF SUCCESSION
a field, after it has been plowed
primary
a forest of only large trees and grasses, after a fire
secondary
a plain, after a flood
secondary
a valley filled with only lava rock, after a volcanic eruption
primary
In which row is the kind of succession incorrectly listed?
a
row 2
b
row 3
c
row 4
d
row 1
plz help