What happened to the harrapans plz i will say

okay

Explanation:The Harappan civilization once extended across the plains of the Indus River from the Arabian Sea to the Ganges. The civilization developed about 5,200 years ago, and slowly disintegrated between 3,900 and 3,000 years ago populations largely abandoned cities, migrating toward the east.

experiments.

surveys.

questionnaires.

interviews.

case studies.

participant and non-participant observation.

observational trials.

studies using the delphi method.

it depends on which society you are referring to. many civilization performed rituals so the gods would with their growing season but the most well known is that of the aztecs. they would make sacrifices, usually animals, but sometimes humans as well.