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

[Q]: Black people live about _ fewer years, on average, than white people do.
[A]: six


[Q]: Asbestos is the name applied to _ naturally occurring minerals that are mined from the earth.
[A]: six


[Q]: Monarch caterpillars have _ pairs of tentacles.
[A]:
two