Students are measuring four boxes using spring scales. The diagram shows their investigation. Which box has the most mass?%0D%0A%0D%0A a%0D%0ABox W%0D%0A b%0D%0ABox X%0D%0A c%0D%0ABox Y%0D%0A d%0D%0ABox Z

Without any additional information or context given in the question, it is impossible to determine which box has the most mass.