Quick Answer. Low glomerular filtration rates (GFR) are caused by chronic kidney diseases according to MedicinePlus. The GFR is a measure of the amount of blood that passes through the glomeruli, which are tiny filters in the kidneys responsible for removing waste, in a single minute. To determine the GFR, blood tests are required.
1 For work performed from July 24, 2007 to July 23, 2008, the Federal minimum wage is $5.85 per hour. 2  For work performed from July 24, 2008 to July 23, 2009, the Federal minimum wage is $6.55 per hour. 3  For work performed on or after July 24, 2009, the Federal minimum wage is $7.25 per hour.
They earn the minimum wage at a thankless job that is their only form of income. And that income is extremely low. The federal minimum wage is $7.25/hour. That means $15,080 per year for a full-time worker. Minimum wage varies depending on the state you live in, but most states have chosen to remain at the bottom of the wage scale. Simply put, the minimum wage is too low and has been that way for far too long.