Here is one suggestion:
A vast quantity of radioactive material is made when
doesa hydrogen bomb explodes.
I hope that helps.
author of The Secret Lives of English Verbs
Student or Learner
A vast quantity of radioactive material is made when does a hydrogen atom explode.
which of the underlined parts is wrong ?? there is one
i answer: does a hydrogen atom explode. should be does a hydrogen atom explodes
does not "A vast quantity of " needs plural, so is should be are ???
but is it :
A vast quantity of radioactive OR
A vast quantity of radioactives ????
thanks a lot
Thank you very much