1) Number of Changes in the enviorment? a) Reversable change b) 2 c) Irreversible change d) 19 e) Physicssal changes  2) A candle's fuel is a) Wax b) Liquid Nitrogen c) Oil d) Wick 3) A land is getting wet by rain can I get back to its environment ? a) Yes Evaporation reversable b) No condensation irreversable 4) Number of changes in a burning candle a) 2 Reversable and irreversable change b) 1 only irreversable change c) 2 reversable and fast change d) I 5) A mirror has been SMASHED and SHATTERED, can It be brought back? a) No yes b) I believe in you c) No d) of course you can do, not me e) Yes

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