What happened to the ancient peoples of the Indus Valley? a. They migrated to Greece and Rome during the Gupta period. B. They were wiped out by a Tsunami during the 4th century. C. They were annialated by the Guptas as they expanded their territories. D. They disappeared as though into thin air, and the cause remains unknown.

From 1990 to 2008, by what percent did the world’s most developed economies cut their greenhouse gas emissions?

Which of these was the main reason for the berlin conference? ending african civil wars spreading the christian faith economic benefits for europe new markets for european goods

Which suggests the most critical aspect of the peak oil theory? 1) controversy rages over rumors that the fracking lobby in washington has influenced the statistics. 2) supporters and critics argue endlessly over the rate of extraction and shape of the bell curve. 3) saudi arabia will soon have to begin fracking, leading to protests and further destabilization. 4) a new oil discovery means a fresh peak cycle, making that region the target of aggressors.