When was lack of access fresh water first noticed?

Answer 1

It depends where you are asking about.

Petra, an ancient Nabatean city now in Jordan, was abandoned because the water failed, for example.

There have been various waves of habitation in the Sahara area over hundreds of thousands of years as climate changed.

There are innumerable examples.

Answer 2

Ancient Rome

Answer 3

No - it is foodstuff aggression and is all area of a dominance behaviour - and additionally you desire to nip it interior the bud. positioned their bowls a stable few ft aside, and shop them at their very own bowl - if one tries to bypass to the different one, circulate it at the instant lower back - if it growls over its foodstuff - %. the bowl up and walk away with it. carry it lower back some seconds later and commence lower back. this way you're signalling which you're on top of issues - and that they have not any would desire to argue over who could be dominating the region. I continually take my canine' bowls away at random moments, from puppyhood in the process the remainder of their lives, many times including something as a take care of earlier giving it lower back - additionally kicking the bowl a quick distance, or shifting the canine far flung from the foodstuff for no obvious reason - all those issues strengthen the thought they consume once I say that's ok - and if I or the different relatives member desire to take their foodstuff, then we are entitled to. Doing this from the be conscious bypass prevents foodstuff aggression, and is a sensible precaution to soak up case a new child knocks accidently against a bowl in destiny.

Answer 4

the 15th Century

Answer 5

Good question.