Sleep. Melatonin is for sleep
Ridges, Ridges are elevated boundaries that divide watersheds
B. The history of the industry isn’t relevant
<span>It is Herding and
livestock. Bringing animals together to form a herd and move from one place to
another has not been possible in south East Asia. This is because in this
region, there is difficult terrain and it’s prone to severe natural calamities
such as earthquakes. Also, the climate is not favorable for rearing livestock.</span>