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: Erosion is divided into ____ main categories, water and wind.

Answer: two


Question: Dicots are plants that produce seeds containing ____ embryonic leaves.

Answer:
two