Answer: A. Claudius does not prevent Fortinbras from marching an army through Denmark.
I did a 3 second google search for "tim o'brien" and the first thing that came up was the novel he wrote about the vietnam war called "The Things They Carried" written in 1990.
A baking soda, which is used to help baked goods rise during baking is an example of a direct additive. One of the four major purposes of direct additives is to aid in the processing and preparation of food, where baking soda belongs. These leavening is used to preserve the desirable condition of foods.
Facts and details. The way to capture a reader's interest is seeming to know what you're doing, and you do that with facts and details. Hope this helps :)