Honestly, this is an awful thread.
His misunderstanding is completely pardonable: he just doesn't know how hot sand really needs to be to turn to glass. Hardly worth making a fuss about.
"His misunderstanding is completely pardonable: he just doesn't know how hot sand really needs to be to turn to glass. Hardly worth making a fuss about."
well, if he is say 17 years old then it isnt so forgivable
so op, which grade?