117. The best evidence for the layered mantle thesis is the well-established fact that volcanic rocks found on oceanic islands, islands believed to result from mantle plumes arising from the lower mantle, are composed of material fundamentally different from that of the midocean ridge system, whose source, most geologists contend, is the upper mantle.
118. In October 1838, I happened to read for amusement Malthus on Population, and being well prepared to appreciate the struggle for existence which everywhere goes on, from long continued observation of the habits of animals and plants, it at once struck me that, under these circumstances, favorable variations would tend to be preserved, and unfavourable ones to be destroyed.
119. But these beliefs about peptide hormones were questioned as laboratory after laboratory found that antiserums
to peptide hormones, when injected into the brain, bind in places other than the hypothalamus, indicating that either the hormones or substances that cross-react with the antiserums are present.
120 Proponentsof the so-called Golden Quadrangle ,which would link areas of Bruma, Laos, Thailand and Chinas Yunnan province, are seeking an Asian Development Bank feasibility study of joint development and business projects that could free the regions hinterlandsfrom their notorious dependence on the heroin trade.
111、大喜剧家们认为真理需要各种启示,因此他们开始强踃社会活动中的各种矛盾,而不是掩饰或者通过非社会蹡征的神圣结幀和喜剧目的、自然规律来超越它。
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