In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

Q: Bilinear interpolation uses a weighted average of the _ nearest pixels.

A: four
****
Q: Bacteria acquire genes conferring resistance in any of _ ways.

A: three
****
Q: Sapric peat is very dark and is the most decomposed of the _ peat types.

A:
three
****