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Silica Sand Mining Worries Communities

2015-07-14来源:VOA
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fracking – n. (sometimes called “hydraulic fracking”); a technique in which rock is fractured, or broken, by a highly-pressurized liquid (usually water mixed with sand and other materials)

silica sand – n. one of the most common kinds of sand found in the world; it is used in industrial processing;

extract – v. to remove (something) by pulling it out or cutting it out

pile – n. a group of things that are put one on top of another

asthma – n. a physical condition that makes breathing difficult

pretty – adj. to a great degree or extent; very

toxic – adj. containing harmful or poisonous substances

respiratory – adj. of or relating to breathing

exposure(s) – n. the fact or condition of being affected by something or experiencing something; the condition of being exposed to something

ambient – adj. surrounding on all sides

Do officials respond when there are concerns about mining activity near homes in your country? We want to hear from you. Write your thoughts in the comments section.