I believe the sentence that is off-topic is Sentence 3 The gardeners also decide what types of pesticides, if any, are used on the produce in the garden hope this helps :)
in that paragraph, the expression Mounting evidence could be a bit confusing, but it indicates that there's been reaserch about it before, and that it all points in the same direction, the more research proving the same point means the data is convincing. The answer is D.
so the first one (brushing your teeth)goes in the 2nd box(cause and effect)
the one next to that (school uniforms) is in the 4th box
3rd one (food) goes in compare and contrast
4th (studying) is for the first box.
5 th goes also in chronological order
6th goes in 3rd box
D) A central idea is often stated directly, while a theme is usually only suggested.
