PLEASE HELP!!!!!!! :C :C :C
The mixture you separated was a mixture of iron filings, sand, and salt. Based on your understanding of matter, is this mixture a homogenous mixture or heterogenous mixture? How do you know? 
A.)homogenous mixture-the parts are uniformly mixed
B.)homogenous mixture-the parts are not uniformly mixed
C.)heterogenous mixture-the parts are uniformly mixed
D.)heterogenous mixture-the parts are not uniformly mixed