________ deposits such as gold and silver are generated from hot, ion-rich fluids
A) Kimberlite
B) Hydrothermal
C) Placer
D) Evaporite
Answer: B
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What is the principle underlying the Stratigraphic Record used for documenting global climate change?
a. The physical processes that operate in the modern world also operated in the past b. The nature of the sedimentary strata deposited at a certain location reflects the climate at that location c. The past climate of the Earth changed gradually over time d. None of the above
Rabbits in Australia
A) have recently been eliminated by introducing a lethal rabbit virus. B) are an example of the high biotic potential of some introduced species coupled with a lack of natural predators. C) evolved with marsupials and are a natural part of the Australian landscape. D) have now evolved into three new species as the rabbits adapted to their new environments.
In which of the following countries do 80 percent of the villages lack all-weather roads?
A) Japan B) France C) Austria D) India E) New Zealand
When glucose adopts a pyranose structure which carbon is the anomeric carbon?
A) C-1 B) C-2 C) C-5 D) C-6