The fatty acids now considered most hazardous to health are thea. polyunsaturated fatty acids. b.trans-fatty acids. c.high density lipoprotein acids. d.monounsaturated fatty acids

B. trans-fatty acids.

Explanation:

The trans fatty acids are the unsaturated fatty acids. These are obtain from the milk and meat fat. They are also present in the vegetable and fish oils. The trans fatty acids causes an elevation of bad cholestrol (LDL) and it lower the levels of the good cholestrol (HDL). The deposition of cholestrol in the arteries or other blood vessels may cause blockage of blood vessels. This can disturb the blood circulation. It may cause a disease called as coronary artery disease, strokes and diabetes.