It would be easier to answer if i could see the grafic from your textbook, but here is some information, hopefully useful:
A. Montana historically the second largest producer of silver
B. Nevada -currently the second largest producer of silver - after Alaska I think that I would go with this answer - was also home to the Comstock Lode, Tonapah and Eureka silver mining districts.
The use of alcohol is associated with an increased risk of injuries and accidents. Even a single episode of excessive drinking can lead to a negative outcome.
Well maybe because like cows do, some adventure off by themselves, and with younger cows they may forget where to head back. And if you think about it that leads to older cows which leads to new cow groups in different areas. Just like dinosaurs may have done.. Just a maybe
The way the Earth's axis rotation affects the seasons depends on how far away the Earth is from the sun. When one part of the Earth is tilted toward the sun then it's summer and the other part of Earth is having winter.