https://padlet.com/debbie_ardern/2535baf0xzzs The story and the Science ideas en-us 2017-06-02 01:10:56 UTC 2025-12-24 04:50:07 UTC hello@padlet.com https://padlet.com/debbie_ardern/2535baf0xzzs/wish/301223158 when hydrogen burn，hydrogen will change to be water，it is a new energy。]]> 2018-11-06 20:35:14 UTC https://padlet.com/debbie_ardern/2535baf0xzzs/wish/301223158 kairenp342 https://padlet.com/debbie_ardern/2535baf0xzzs/wish/301223262 Hydrogen]]> 2018-11-06 20:35:29 UTC https://padlet.com/debbie_ardern/2535baf0xzzs/wish/301223262 https://padlet.com/debbie_ardern/2535baf0xzzs/wish/301223372 The disaster was caused by acidic rain and hydrogen leaks]]> 2018-11-06 20:35:43 UTC https://padlet.com/debbie_ardern/2535baf0xzzs/wish/301223372 https://padlet.com/debbie_ardern/2535baf0xzzs/wish/301223425 It is not a good flying chemical]]> 2018-11-06 20:35:51 UTC https://padlet.com/debbie_ardern/2535baf0xzzs/wish/301223425