To begin with the cons in Source A, it states, “ The fracking cocktail includes acids, detergents and poisons that are not regulated by federal laws but can be problematic if they seep into drinking water.” This goes to show that even with the advancements we have made to extract natural gas and oil, it can effectively cause damage to our global environment. As well as in Source B, it states, “Companies are not required to disclose the chemicals they use, or the formula of the mixture, in the process. That makes it difficult for local residents,