The correct answer is - c. east.
The Appalachian Mountains are located in the eastern part of the United States, and since the Rocky Mountains are in the western part of the country, it puts them east of the Rocky Mountains.
The Appalachians are a very old mountain range, they are dated to about 480 million years ago when they formed during the Ordovician Period. At their peak, these mountains reached heights similar to the Rocky Mountains and the Alps in Europe, but because of the natural erosion they have shrunk and nowadays are much smaller in height.
I’m not sure but try Russia and América hope it helps let me know if I’m wrong:)
#1) Sand grains can be distinguished from silt grain by ____.
Answer: The answer is size. Sand grains are finer than gravel and coarser than silt. Sand is a naturally occurring granular material composed of finely divided rock and mineral particles. Silt is granular material silt particles are larger than clay but smaller than sand particles, whose mineral origin is quartz and feldspar.
Cutting down the trees! (Stop cutting them down)
And human presence disrupting the ecosystem (let the environment be)