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

[EX Q]: Carbon dioxide extinguishes fire by physically attacking all _ points of the fire triangle.
[EX A]: three

[EX Q]: Flexible shapes are also shapes which have _ obvious way of being attacked.
[EX A]: no

[EX Q]: Tadpoles use shallow waters near shore for at least _ months while completing development.
[EX A]:
six