Scholars believe Indus cities may have fallen into decline when An ecological disaster such as a volcanic eruption occurred

Many people migrated north out of the region

yes that is true

Explanation:

polling is a process and the outcome is not involved in the process itself.

the outcome, which is an unfavorable rating for a particular candidate is not affected by the mechanical process of polling.

it rather depends on the number of people voting in favor of the candidate.

this is an outcome of people's preferences.

a.  

women in ancient egypt had many legal rights, including the right to own property and businesses.