Questions

Swiss chemist Paul Hermann Muller discovered DDT (dichloro-diphenyl-trichloroethane) noted its effectiveness as a pesticide during World War II to control malaria and typhus among civilians and troops, a discovery that earned him a Nobel Prize in 1948.

It was first synthesized in the year 1874.

A large number of firms compete and Each firm produces a differentiated product is a characteristic of the market structure for monopolistic competition.

Fixed expenses are those expenses that do not change when there is a change in production or sales level.

Examples of Fixed Expenses are rent, insurance, payment on loans, salaries, advertising, etc...

In the dictionary, we get Friday before Thursday. Since, in the dictionary all the words are in alphabetical order, and according to it F comes first than T.