D. A clearly defined territory, population, and sovereign government.
It helps in a big way because it preserves the land and
replenishes the trees that were cut down.
It also gives animals sanctuary when the new trees grow and most
important of all it prevents erosion and floods that not only destroys the
environment but also endangers man as well.
1) wind power is a renewable resource, and will never run out (until the end of the world at least lol)
2) No harmful pollutions gases are produced
3) There are no fuel costs
4) Helps Negate the Greenhouse effect
etc. etc
hope this helps
I'm pretty sure it's the Eichhornia crassipes. It is a water hyacinth, and it was overgrown in the Lake Victoria area.
21%............................