Question

which of the following methods are used for
(a) remove pebbles from the sand
(b) remove pebbles from grains at home
(c) separate husk from grains in agricu lture
(d) separate the seeds from the stalks​

Answer 1

Explanation:

remove pebbles from the sand is by hand

remove pebbles from grains at home is hand picking

separate husk from grains in agriculture is winnowing

separate the seeds from the stalks is threshing