Pollution puts a lot of strain on the Earth in general.
Waist dumps do as well.
Answer:
Many scholars believe that the collapse of the Indus Valley Civilization was caused by climate change. ... By 1800 BCE, the Indus Valley climate grew cooler and drier, and a tectonic event may have diverted or disrupted river systems, which were the lifelines of the Indus Valley Civilization.
Anvil is a heavy steel block that is used as a surface to hammer metal
