The answer is the pacific plate
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.
I think the change in apparent position of the big dipper answer is revolving for 6 months
The distance that created from the revolving actually determine the earth's temperature and climate
hope this helps
