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

[EX Q]: Carbon comes in _ kinds- dust, coconut shell or granulated.
[EX A]: three

[EX Q]: Granite weathers one inch in _ thousand years.
[EX A]: ten

[EX Q]: Abortion takes more lives every _ months than the Civil War claimed in four years.
[EX A]:
six