Question

1) Which of the following methods are used for separation of substances? a) Remove pebbles from the sandb) Remove pebbles from grains at home.

c) Separate husk from grains in agriculture d) Separate the seeds from the crop stalks.​

Answer 1

Answer:

a ) sieve plates

b) don't know

c) winnowing

d) threshing

Explanation:

don't know correct or not....

Answer 2

Answer:

B

Explanation:

because we can't remove pebbles from sand why because the sand have small particles in large quantitie that's only we can remove the pebbles from the grains in home why because we can see pebbles from the grains and separate it