It wasn't. The Vancouver Sky Train was constructed but was not invented, it was based on already existing inventions. The system was constructed in 1985.

Yes, they are constructed based to the place that is built.

If an enterprise is public, their information is publicly available through their annual reports.

A survey can constructed based on that.

The classification system is based on the idea that all life is related genetically, and the taxonomic trees that science has constructed are supposed to be based on evolutionary relationships.

Buildings which are constructed with earth based materials or using stones and bricks are highly prone to floods