<span>It facilitate long distance travel and transport of bulky goods which are not easily transported through motor vehicles.
</span><span>It helps in the industrialization process of a country by easy transportation of coal and raw-materials at a cheaper rate.
</span>Quick movement of goods from one place to other place.
I dont know lol I think vast weather changes such as global warming may cause extinction to species or adaptation to heat. But it depends solely on the lifeform
I think the two sources would be drip irrigation which is like a river, lake, groundwater, etc... The second source could be is making a new irragation system that could deliver water faster.
