It is false that Cross-sectional data contain values of a characteristic of one subject collected over time.The type of data composed by observing many subjects at the same point of time are called Cross-sectional data. Cross sectional data always relates to enterprises, households etc and it is observed at a given date.For example if we are taking a annual statistics of any thing for year 2019, it would comprise on that particular year.
Explanation: back in the day people where dependent on water sources that us where they got some of there food and it is also what they used to water crops and drink hopes this helps
