Which is an accurate description of the scientific revolution.
a. it was the overthrow of monarchs based on new theories of political science.
b. it was the merging of religious in mathematical ideas that resulted in a new field of study
c. it was a period of time in which medicine advanced in europe and people began to live longer
d. it was an era of great progress in understanding the works and laws of nature

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.