GEOLOGY

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EARTH SCIENCE

CLIMATE AND ENVIRONMENTAL CHANGE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Offshore drilling is a controversial topic regarding the need for energy sources within the United States. Those in favor of offshore drilling argue that this technique for harvesting oil would allow the United States to provide for itself more of the fossil fuels its population uses, making it less dependent on energy sources outside of the country. Those opposed to offshore drilling argue that accidents involving drill sites release toxic chemicals into the environment, such as with the BP oil spill in the Gulf of Mexico in 2010. What environmental parameters would need to be monitored in order to ensure the safety of the environment at offshore drilling sites?
A
Yearly costs of maintaining the drill site and hiring workers
B
Amount of oil by barrel being removed at the sites each month
C
Chemical composition of the water in the surrounding environment
D
Techniques for removing oil from native animals in the event of a spill
Explanation: 

Detailed explanation-1: -Why are U.S. citizens most reluctant to allow oil drilling off coastal shorelines? It might lead to environmental damage from oil spills.

Detailed explanation-2: -Global warming pollution When we burn oil, coal, and gas, we don’t just meet our energy needs-we drive the current global warming crisis as well. Fossil fuels produce large quantities of carbon dioxide when burned. Carbon emissions trap heat in the atmosphere and lead to climate change.

Detailed explanation-3: -Which best contrasts the benefits of fossil fuels with the benefits of wave power in the ocean? Fossil fuels are renewable and inexpensive, while wave energy is nonrenewable and expensive.

Detailed explanation-4: -Combustion of natural gas emits about half as much carbon dioxide as coal and 30 percent less than oil, as well as far fewer pollutants, per unit of energy delivered.

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