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TRAVERSE CITY, Mich. (AP) — High levels of toxic, widely used “forever chemicals” contaminate groundwater around at least six military sites in the Great Lakes region, according to U.S.
"If you are relying on well water and are near one of these bases where PFAS has been confirmed in the groundwater, you should be concerned," said Scott Faber, senior vice president of government affairs. "And you should be doubly concerned if you are near one of the hundreds of bases ...
相关知识点: 试题来源: 解析 Leaving chemicals in the ground for a long time is not good for the soil or the water supply. 分析: 1. 句子缺少主语,需要将括号中的动词变成动名词形式,作主语。 2. leave 的动名词形式是leaving。反馈 收藏
Agricultural Chemicals in Wisconsin GroundwaterJim VandenBrook
解答 答案是C.考查定语从句,主句Chemicals also stay in the ground and underground water for a long time,化学物质可停留在地面和地下水很长一段时间这一点可影响植物,所以which指代的是主句整个句子的意思;此处therefore是副词,so是连词,根据句意"影响庄稼因此影响动物和人类"所以用therefore,故答案选C. 点评 ...
A multi-variable analysis determined that the soil characteristics examined explained the amount of variability in concentrations for nitrate (19%), atrazine (33%), and atrazine residue (29%). These results document that, although soils do affect the transport of agrichemicals to groundwater, ...
Emerging organic contaminants (ECs) are compounds now being found in groundwater from agricultural and urban sources that were previously not detectable, or thought to be significant. ECs include pesticides and degradates, pharmaceuticals, industrial compounds, personal care products, fragrances, water tr...
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Since 1982, the Iowa Groundwater Monitoring (IGWM) Program has been used to sample untreated groundwater from Iowa municipal wells for selected agricultural chemicals. This long-term database was used to determine if concentrations of select agricultural chemicals in groundwater have changed with ...