I think that the best answer is first one:
a) Trace the path that the sound waves travel as they enter the ear and proceed to the receptor cells for hearing, making sure to explain the process of transduction.
Answer:
Vitamins A and D are added to margarine during production so it will have a similar vitamin level to butter. Nutrients may also be added to foods to fortify or enrich them even if the vitamins and minerals added are not normally contained in that food.Margarine makes an important nutritional contribution to the diet by being a source of one or more essential fat-soluble vitamins such as vitamins A and/or D and by being low in saturated fat.
The correct option is C.
Pilli is a long protein filament which attach reproducing cells together during conjugation. This attachment allows the cells to exchange the genetic materials, that is, plasmid between them.
That can be true. Everyone (mother) is different. That usually goes away after nursing for awhile.
