Questions

The main difference lies in the motive of the two parties. The main motive of the hedger is to hedge(minimize) the risk from the occurence of some events. 

The motive of the speculator is to gamble in the market in order to make the profit by buying/selling the derivative products.

Executive Branch of government is responsible for enforcing laws.

The data bus is Bi-directional because the same bus is used for transfer of data between Micro Processor and momory of input / output devices in both the direction.

A practice to learn something is a Lesson.

The required number is SEVEN.

If you remove  S, it becomes EVEN.

Five basic tastes are :

salty,

sweet,

bitter,

sour, and

umami.

The taste receptors are located all over in the mouth around paillae structures.

Here the letter 'M' appears once in Minute and twice in a MoMent.