Answer:
The most compelling theory is that the birth of agriculture was facilitated by the end of the last glacial period, from 15,000 to 10,000 years ago (depending on the world region), which coincides with the era when agriculture first started.
The end of the last glacial period brought a warmer climate to many areas of the world, which meant that weather and soil conditions where more favorable for the cultivation of wild plants, and the domestication of animals.
It is c because c is the least punishable and less serious felonies. Man slaughter would be under class b. And a is murder.
So the question is asking on which of the following choices are the reason why the Indus Valley civilization decline and base on my research, I would say that the answers would be A. The surrounding land was severely deforested , C. Irrigation made the soil salty and unfit for farming and D. <span>Disease reduced the population. I hope this would help </span>