How can you separate iron filings from sand through which process​

Process called magnetic separation

Explanation:

The magnetic separation is a process in which magnetically susceptible material is extracted from a mixture using magnetic force.

This method is also used to separate the mixture of sand and iron fillings as iron is attracted by magnet.

Use a magnet to separate the iron filings from sand since iron is magnetic

from the original order (top to bottom) the new order will go

1 (founder)

4 (hawk)

2 (mutate)

3 (next generation)

it will increase due to the time span