Question ID:PT88 S4 Q7 Passage:Late blight is a disease affecting tomato plants that causes blue-grey patches to appear on the leaves. Applying a copper solution to the blighted plants is an effective treatment for the disease. Therefore, late blight must be caused by a deficiency of copper in the plant‚ s mineral intake. Stem:The flawed nature of the argument can be most effectively demonstrated by noting that, by parallel reasoning, we could argue that Correct Answer Choice:DChoice A:since radiation therapy can be an effective treatment for some types of cancer, it follows that higher doses of radiation will be more effective in treating those same types of cancer Choice B:since scurvy is caused by a deficiency of vitamin C, it follows that vitamin C is an effective treatment for scurvy Choice C:since malnutrition can cause health problems, it follows that the more food you eat, the healthier you will be Choice D:since paracetamol is effective in treating headaches, it follows that headaches are caused by a lack of paracetamol in the bloodstream Choice E:since calcium deficiency in apple trees causes brown spots on the apples, it follows that apple trees growing in soils that are rich in calcium will not produce apples with brown spots