Through the use of scientific method it has been demonstrated that unsanitary conditions cause the spread of diseases.
Why the writer could not use By instead of Through?
Through the use of scientific method it has been demonstrated that unsanitary conditions cause the spread of diseases.
Why the writer could not use By instead of Through?
Basically, the writer could have used any of the following:
But "through" implies a action that has a start point and an end point which means that the scientific method helped all the way through and wasn't just a means, a resource or an instrument.