Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.
--------
Question: Photons have ____ mass and no electrical charge.

Answer: no


Question: Threshold is a value to avoid ____ divide.

Answer: zero


Question: Labeling theory calls attention to ____ kinds of deviance.

Answer:
two