Question

we use a sieve to separate sand and wheat grains, what should be the size of the holes of the sieve in comparison to the size of sand particles and wheat grains?​

Answer 1

To use a sieve to separate sand and rice seeds, the size of the holes should be bigger than the sand grains but smaller than the rice seeds so the the sand grains can pas through but rice seeds cannot

friend ship with me

like my 10 answer