Why Did the New Science Have the Greatest Practical Impact

Why did the new science have the greatest practical impact in agronomy and medicine rather than in astronomy and physics?

A) Advances in these fields improved the living conditions of most people living at this time.
B) The new scientific principles were easier for most people to understand than mathematics.
C) Most of the scientists were lower class men who understood common peoples' problems.
D) Church leaders actively steered scientists toward practical arts to fend off challenges to orthodoxy.
E) Most illustrious scientists began their careers with practical work in these areas.