Ian Plimer, professor of mining geology at Adelaide University and author of a recent book Heaven and Earth, has controversially questioned whether climate change is man made.
澳大利亚Adelaide大学采矿地质学教授Ian Plimer，最近出版了一本书《天与地》，质疑气候变化是否由人为造成。
The minimal growth rate is often indicative of cold climate and even depositional break and sudden change of climate and geology and hazardous events.
沉积速率极小，往往是冷气候显示，甚至是沉积间断，或是气候和地质、灾害事件的突变点。
The ratios of these element forms change with climate and local geology. Like tree rings, human teeth record this signature year by year and can be used to narrow down a person's native region.
这些元素因为气候和当地地理而改变的比率像树年轮一样，人类的牙齿同样年复一年的记录着这些特征，这常常可以用来限定一个人的出生地。
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