Questions

Allows for expansion or contraction of the trachea. Hence, so large masses of food can pass through the esophagus during swallowing.

Pharaoh is the common title of the monarchs of ancient Egypt.

The Pharaoh in ancient Egypt was the political and religious leader of the people and held the titles 'Lord of the Two Lands' and 'High Priest of Every Temple'.

The 180th meridian or antimeridian is the meridian 180° east or west of the Prime Meridian, with which it forms a great circle dividing the earth into the Western and Eastern Hemispheres.

It is common to both east longitude and west longitude.

It is used as the basis for the International Date Line because it mostly passes through the open waters of the Pacific Ocean. However, the meridian passes through Russia and Fiji as well as Antarctica.

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.

In 1952, Waksman was awarded the Nobel Prize in Physiology or Medicine in recognition "for his discovery of streptomycin," the first antibiotic active against tuberculosis.

A pulse is an edible seed that grows in a pod. Pulses include all beans, peas, and lentils.
Pulses are a great source of protein.

This means they can be particularly important for people who do not get protein by eating meat, fish or dairy products.

However, pulses can also be a healthy choice for meat-eaters. You can add pulses to soups, casseroles and meat sauces to add extra texture and flavor. This means you can use less meat, which makes the dish lower in fat and cheaper.

Pound Sterling is the official currency of United Kingdom.

-> Renminbi is the currency of China.

-> Euro is the currency of 19 countries like Spain, Austria, Finland, Italy, Germany, Greece, Belgium, etc...

-> Dollar is the currency of United States.

Assessing opportunity cost involves making choices and dealing with consequences.