After a month, serum total PSA value was 1.2 ng/ml. In another blood test after 3 months, serum total PSA value rose to 7 ng/ml with a percent free PSA of 40%. The urologist recommended a transrectal ultrasound-guided prostate biopsy. The patient refused biopsy.
Of the four components of aggregate demand, consumption expenditure C is the largest contributing to between 60% and 70% of total expenditure. For this reason, we often start our analysis with this particular component.
Carbon Dioxide: Our Role The United States is the single largest contributor to global warming, responsible for nearly one-quarter of all human-made emissions. Every day the average American adds about 118 pounds of carbon dioxide to the atmos-phere, due largely to energy-consuming activities that burn fossil fuels. On a yearly basis, the average Ameri-