Answer to Question 1
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.
Answer to Question 2
True
Head impact during sports may reduce ability to acquire new information
Impact Breccias
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Producer acquiring energy and nutrients from the environment