Question

give an example of a substance undergoing a physical change and explain how the substance could return to its original state.
please help
need it so much
thank you so much！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！

Answer 1

help please
waiting waiting
thanks
i really need help
..................................................................................................................................................

Answer 2

if you answer the question and tell me why,
also if you tell me how to give you a medal i will give you one
only the best answer gets it
thank you so much please help
thanks

Answer 3

i really need help
please thank you
..................................................................................................................................................

Answer 4

please help
have been waiting so long
or else i am not giving any metals out!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!........................................................................................

Answer 5

please,please,please,please,please,please,please,please,please,please,please,please,please,please,please,please,please,please,please,please,please,please,please,please,please
thank you, thank you,thank you,thank you,thank you,thank you,thank you,thank you,thank you,thank you,thank you,thank you,thank you,thank you,thank you,thank you,thank you,thank you,

thanks....
waiting...

Answer 6

PPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL
EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
HHHHHHHHHHHHEEEEEEEEEEEEEEEEEELLLLLLLLLLLLLLLLLLLLLLLLPPPPPPPPPPPPPPPP