_:b1218430 "Ice is water frozen into a solid state. It can appear transparent or opaque bluish-white color, depending on the presence of impurities or air inclusions. The addition of other materials such as soil may further alter its appearance."^^ . _:b1218430 . _:b1218430 . _:b1218430 . _:b1218430 "Wikipedia:Ice"^^ .