What does a mission specialist do? Works with the commander and pilot and is responsible for crew activity planning; monitoring fuel, food, and water; and conducting experiments

A professional in physical or life sciences who may or may not work for NASA

Controls and operates the shuttle and is responsible for the vehicle, crew, and success of the mission

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.