What is "fracking" and what impact does it have on the environment?
?Hydraulic fracturing or "fracking" has become an increasingly common practice in many parts of the world. Fracking uses pressurized injection of water, sand, and chemicals into existing oil wells to fracture the rock and enhance the productivity of the well by increasing the amount of oil and natural gas that can be recovered. The recent expansion of hydraulic fracturing into California offshore wells has led to concern about coastal water pollution and a potential increase in seismic events.
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The intake of hormonally active agents can severely disrupt the
A. digestive system. B. endocrine system. C. circulatory system. D. respiratory system. E. excretory system.
What program allows factories to buy and sell water pollution permits?
What will be an ideal response?
In the western part of North America, snowfall distribution is primarily dependent upon:
A) latitude. B) the presence of major north-south mountain ranges. C) proximity to Mexico. D) the location of large lakes.
How do the properties of water help our oceans to remain in liquid form?