Itai-itai disease (ã¤ã¿ã¤ã¤ã¿ã¤ç, itai-itai byÅ? ), (literally: ouch-ouch disease) was the first documented case of mass cadmium poisoning in the world in Toyama Prefecture, Japan in 1950. The cadmium poisoning caused softening of the bones and kidney failures.
Weighted grades are number or letter grades that are assigned a numerical advantage when calculating a grade point average, or GPA.
Take me to the Weighted Average Grade Calculator. In a points-based grading system, the student receives points for completed assignments, and the course grade is determined by the number of points earned out of the number of points possible.ake me to the Weighted Average Grade Calculator. In a points-based grading system, the student receives points for completed assignments, and the course grade is determined by the number of points earned out of the number of points possible.