describe with diagram the possible methods that can be used for the separation of sand and ammonium chloride

Which conclusion about the eldest magician does this excerpt support

Time is not always change. time can also mean continuity, and it can mean keeping acknowledged truths in mind despite differences in circumstances.there is no better example of this in things fall apart than the retellings of the proverb about the bird named eneke, the language in both retellings is almost identical despite the length of time that has passed between their repetitions. in comparing the usages of the same proverb, achebe allows his readers to note the similarities and differences between the situations, and he them understand how this story can be applied to their own lives.

"introduction to oedipus the king": what is most likely the author's intent in writing about the difference(s) between sophocles's play and the original myth on which it's based?