In this article we have shared the answer for What element is used to fill these?. Word Craze is the best version of puzzle word games at the moment. This game presents the best combination of word search, crosswords, and IQ games. In each level, you will be given several clues or questions and you need to find the correct answer and clear the simple grid. The questions are from different disciplines that will test your knowledge and give you the chance to learn more.
What element is used to fill these?
HELIUM