instruction:
In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
question:
Older caterpillars have _ different color forms.
answer:
two

question:
Pure water contains _ ions and is therefore a nonconductor .
answer:
no

question:
Alcohol is high in calories - it supplies seven calories per gram and _ nutrients worth mentioning.
answer:
no