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In today's urban region of Cracow we witness significant changes in the ground relief. They have been brought about by centuries of settlement and human activities. They have principally tended to level the ground. The strongest trend towards levelling the relief occurred in the most densely populated parts of Cracow, with the greatest changes occurring quite recenlty. In the past, the area of Cracow...
Most of Mexico suffers from serious deficits of water limiting severely the agricultural output of the country. At the beginning the water shortages were offset by retention of water and use of precipitation and river waters but now it is more and more often the deep underground water reservoirs that are tapped. The economic considerations favour this solution. Recent technology allows use of deep...
The author presented the environmental disturbances stemming so far from the close neighbourhood of Poland and GDR. Although after the unification the main cause of the present environmental crisis in GDR — the lack of money for environmental protection investment — will cease to exist, there will be new worries and new chances. The export of garbage and industrial waste to Poland can increase, more...
Полчын-Здруй — это одна из самых больших здравниц в стране, в которых лечится ревматические и неврологические заболевания. Здравница борется с разными трудностями, которые делают невозможным сохранение статуса района специально охраняемого. Самой большой опасностью для микроклимата Полчына-Здрою являются газовые и пыльные загрязнения. Этим загрязнениям должно было противодействовать создание в 1979...
Refineries and petrochemical industry are the sources of many heavy metals which disperse mainly as dust fallout. The area of 150 square kilometres surrounding Mazowieckie Refineries and Petrochemical Plants at Płock receives, among other pollutants, 11 metric tonnes of copper and 36 tonnes of lead every year. Such significant heavy metal fallout results in contamination of vegetables. Among the vegetables...
Полихлорвинильные дибензофураны, — это синтетические соединения, которые не имеют практического применения. Причина заинтересованности ними вытекает отсюда что некоторые из хлоролибензофуранов это очень токсические соединения тоже в ультраследовых количествах. Обсуждаемые соединения возникают во время синтеза некоторых химических соединений а тоже из предвестников во время широко понятого процесса...
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