<span>The most likely way to relieve renal colic is with meperidine. While applying moist heat and drinking plenty of fluids will help they will not be as effective. Also bed rest may be comforting. Meperidine is likely the most effective treatment.</span>
On Earth, human activities are changing the natural greenhouse. Over the last century the burning of fossil fuels like coal and oil has increased the concentration of atmospheric carbon dioxide (CO2). This happens because the coal or oil burning process combines carbon with oxygen in the air to make CO2.
