Aprope
发表于 2025-3-26 22:38:54
Introduction,ine scientists were pressured by politicians research the questions of marine pollution. In the meantime, public interest has turned elsewhere to the energy question and economic crises, and interest in things relating to marine pollution has decreased. In 1980, however, dumping of sewage sludge and
GEM
发表于 2025-3-27 02:33:38
Domestic Effluents,bstances are also left over as garbage, whether in the commercial processing of foodstuffs or as household waste. In natural environments, decomposers exist: organisms which specialize in the breaking-down of a dead organic substance. More precisely, they are organisms which satisfy their energy nee
壁画
发表于 2025-3-27 09:16:51
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合法
发表于 2025-3-27 09:35:25
Oil Pollution, till the present in fossil form in places where the absence of oxygen has prevented their decomposition. Because different factors figured in the formation and settling of the different sediments, the quality of petroleum is different everywhere it is found. Thousands of different compounds may be
DEI
发表于 2025-3-27 15:31:54
Radioactivity, the natural disintegration series from uranium to thorium. Added to these are radioactive hydrogen (.H, tritium) and carbon-14, that develops through the influence of cosmic rays upon the atmosphere. The natural radioactivity of potassium-40 in the ocean is estimated at 5 × 10. Ci..
为敌
发表于 2025-3-27 17:50:34
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prick-test
发表于 2025-3-27 22:46:24
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影响深远
发表于 2025-3-28 02:11:13
Global Pollution of the Oceans with Chlorinated Hydrocarbons,ine compounds. The largest amounts are divided among dichlorethane (EDC, H.C-CHCl.; around 20 million t produced world-wide in 1973), cancerogenous vinylchloride(H.C=CHCl; 10 million t), solvents used in industry, and byproducts which are not intentionally released, but do, however, turn up in the e
难管
发表于 2025-3-28 10:19:09
Laws Against the Pollution of the Oceans,onservationist who is concerned with preservation and tending of the variety of species will have a different point of view than an environmentalist who wants to maintain the quality of living for mankind in the long run; a farmer has a different opinion about the problems resulting from residues th
jabber
发表于 2025-3-28 11:03:56
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