The swamp was full of disease carrying misquitoes. So it was bad for many people's health.
They actually don't know for sure what led to the decline but a lot of people believe that the Aryans invaded and conquered the Indus Civilization which would make sense because they were the next people group to live there. I hope this helps!
No, it is false that sandstorms frequently happen in Mediterranean and tropical climates, since sandstorms typically occur in areas that have a lot of sand in the center of the country, such as in the Middle East and Africa.
Anything that has volume or mass is matter.
A testable explanation that is supported or refuted is hypothesis.
Answer:
Many historians believe the Indus civilisation collapsed because of changes to the geography and climate of the area. Movements in the Earth's crust (the outside layer) might have caused the Indus river to flood and change its direction.
