What human organ is responsible for cleaning the blood?

Insulated fittings can be used to splice wires, thus eliminating the need for:

Determine which of the choices best solves the problem shown in the first picture and then mark the corresponding choice on your answer sheet. The problem is presented in the first drawing and the remaining four drawings are possible solutions.

Mrs. H.B. found a display model of a notebook computer to use for her business for $1,400, including software. However, since the model had been discontinued and the display had no packaging material or instructions, the store manager discounted the price to $1,150. What was the percentage of the reduction?

Catastrophe most nearly means