I think you forgot the picture. That or it's not showing up for me?
Not too sure but to get you closer to the answer, Rocks aren't Minerals; They are comprised of 2 or more minerals, And Limestone is also comprised of minerals. Now between Silver and Gold, I'm not sure but there have been talk over the years as the Great Plains being the next location of a Gold Rush. But again I'm not too sure, but I hope this helps.
The answer is Deforestation.
yeah yep
The duties that Alan performed was farming work and cooking meals.
Applied behavior analysis is a scientific discipline concerned with applying techniques based upon the principles of learning to change behavior of social significance.