Question

An old growth forest would be defined as

a commercial forest older than 30 years
a forest undisturbed for at least 50 years
a second-growth forest undisturbed for at least 100 years
a replanted forest that has had a little disturbance for 100 years
an uncut or regenerated primary forest undisturbed for several hundred years

Answer 1

What do you think it should be?

Answer 2

i actually think its d

Answer 3

150-500 years