题型：单选题 难度：★★★★★ 
6.2万热度
at present, compared with the united states, great britain has done a better job in increasing the popularity of green cemeteries.
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traditional jewish principles regard embalming as an offense to the dead.
before the commercial funeral industry became popular, people used to practise green burials.
it is not the law but the cemeteries that require cemetery vaults and grave liners.
according to schroeder, the topsoil of a standard green cemetery should be a biological hotbed.