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

[Q]: Goblins are a little larger, usually _ to three feet, but sometimes much larger or smaller.
[A]: one


[Q]: Phosphates are made of _ phosphorus atom surrounded by four oxygen atoms.
[A]: one


[Q]: Oblates also work in missions throughout the world, on all _ continents.
[A]:
six