Which of the following is not a concern of the fracking process? In the fracking process, Select one: O a. methane gas and toxic chemicals leach out of the system and contaminate nearby groundwater. O b. many oil and gas wells attain a state of economic viability due the amount of oil that can be removed. O c. there is a large amount of fresh water that is used to create fracking fluids. O d. many chemicals are used in fracking fluid, including lead, mercury, and formaldehyde. What remains one of the most difficult environmental challenges for the oil sands sector? Select one: O a. bitumen being separated from sand and water b. transportation of the crude oil O c. surface impact associated with SAGD operations O d. management of the tailings ponds Clear my choice

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