Bee pollination increases yield quantity and quality ofbee pollination increases yield quantity and quality ofDec 18 2017 the economic impact of bee pollination on producer profits was significantly beneficial in both crop species and a loss of pollination service by bees would cause severe yield gaps, indonesia economic environmental stone sand washer sell at a loss
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moreDec 17 2008 scientific american is the essential guide to the most aweinspiring advances in science and technology explaining how they change our understanding of the world and shape our lives
moreDec 18 2017 the economic impact of bee pollination on producer profits was significantly beneficial in both crop species and a loss of pollination service by bees would cause severe yield gaps
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moreNov 18 2013 the environmental protection agency estimates that every year up to 35 million people in the us become ill because of contact on beaches with raw sewage that has overflowed from local sewers most of the illnesses are minor but some are very serious 2011 saw a total of 23481 beach closure days because of concerns about health from water
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moreIntroduction sand and gravel are used extensively in construction in the preparation of concrete for each tonne of cement the building industry needs about six to seven times more tonnes of sand and gravel usgs 2013b thus the worlds use of aggregates for concrete can be estimated at 259 billion to 296 billion tonnes a year for 2012 alone
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moreMar 18 2011 remote sensing is a powerful tool to assess the extent and environmental impacts of mining activities on landscapes for example analyses of landsat thematic mapper tm and enhanced thematic mapper plus etm images quantified forest loss due to oil sand mining latifovic et al 2005 and dust pollution from russian ore mines rigina 2002
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moreMar 31 2020 the eu enforces antidumping measures through its economic arm the european commission if a member country complains about dumping by a nonmember country to the eu then the ec conducts a 15month investigation like the wto the ec must find that material harm has occurred to the industry
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