Answer:
the answer is the second option you gave
4680 years
1 x .5 = .5
.5 x .5 = .25
.25 x .5 = .125
You multiplied 3 times, so 3 times 1,620 is 4,680.
Answer:
A wetland is a distinct ecosystem that is flooded by water, either permanently or seasonally, where oxygen-free processes prevail.[1] The primary factor that distinguishes wetlands from other land forms or water bodies is the characteristic vegetation of aquatic plants,[2][3] adapted to the unique hydric soil
