new item well packed Neuware Rechnung mit MwSt Bestellungen bis 15 Uhr werden am gleichen Werktag verschickt Whether people argue that global warming is caused by natural phenomenon or that it is caused by humans-or both-it is one of the most controversial topics in the scientific world today There are varying opinions between scientists about the effects of global warming because so many interrelated factors are involved making it difficult to pinpoint specific impacts and make changes accordingly The Earth s climate is an extremely complicated system and climatologists must conduct research daily in order to improve their understanding of all the interrelated components
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