Question

which of the following methods are used for separation of substances : 1. Remove pebbles from the sand .2. Remove pebbles from grains at home . 3 . Separate the seeds from granis in agriculture .4. Separate the seeds from the crop stalks​

Answer 1

Answer:

1. Seiving

2. Hand picking

Q.3 I don't know

Q.4 I don't know

Explanation:

Answer 2

Answer:

seveing

hand picking. ...