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

[Q]: Soft money is the unlimited, unregulated money that has _ business influencing politics.
[A]: no

[Q]: White sturgeon inhabit _ large river systems, all on the western coast of North America.
[A]: three

[Q]: Older nymphs have four black spots on the thorax and _ on the abdomen.
[A]:
one