Question one Precambrian shield is a large area of low elevation that forms the continental masses. Precambrian rocks show proof of powerful metamorphism. One of the largest Precambrian shields is found in Canada North America. Some of the Precambrian shields are found in Arizona North America (Plado, 88). Question two The planet earth shows scarring

Accessed February 11, 2016 Earthquakes are serious phenomena that come from the seismic waves on the earth’s crust. California has not experienced a major earthquake in the past century; however, the Daily Mailonline article by Regina Graham reports of a 4.2- magnitude earthquake, which rattled Southern California, causing some damages (Graham 1). According to this

Water is definitely an essential resource in the life of any living thing. Personally, freshwater resources play vital roles in my life, especially concerning my health. The freshwater that comes from Floridian aquifer serves a major function of providing safe drinking water to the residents in Florida. As such, this reduces the chances of contacting

The collaborations that led to the successful evacuation of the area surrounding Pinatubo were of extreme importance to ensuring the safety of man and property alike. These important collaborations between the military, the local government, and the scientists were, however, dependent on human collaborative acumen. During the initial moments when the eruption was yet a