An Umbrella. Yes, when it is open it can't be fit under a chimney but when it is closed it can be fit down a chimney.

Answer: B) Protista Explanation: The Amoebas belong to a group called Protista. Amoebas are of the animal kingdom subdivision for microscopic organisms - protozoa.

Answer: C) Backup file Explanation: In computing, ".bak" is a filename extension commonly used to signify a backup copy of a file.

Answer: A) Retinol Explanation: Vitamin A is a group of unsaturated nutritional organic compounds that includes retinol, retinal, retinoic acid, and several provitamin A carotenoids. IUPAC Name :: (2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,8-tetraen-1-ol   Vitamin Name - Chemical Name Vitamin A   -     Retinol Vitamin B1  -    Thiamine Vitamin B2  -    Riboflavin Vitamin B3  -    Niacin Vitamin B5  -    Pantothenic acid Vitamin B6  -    Pyridoxin Vitamin B7  -    Biotin Vitamin B9  -    Folic acid Vitamin B12  -   Cyanocobalamin Vitamin C     -   Ascorbic acid Vitamin D     -   Calciferol Vitamin E      -   Tocoferol Vitamin K      -   Phylloquinone and Menaquinones

Answer: B) Karl Marx Explanation: Das Kapital, one of the major works of the 19th-century. Economist and philosopher Karl Marx (1818–83), wrote, in which he expounded his theory of the capitalist system, its dynamism, and its tendencies toward self-destruction.

Answer: B) -2 Explanation: The sum of the oxidation numbers in a compound must equal zero. In the compound hydrogen sulfide, H2S, the two hydrogen atoms have an oxidation number of +1, for a total of +2. Therefore, the oxidation number of sulfur in the compound is -2, and the sum of the oxidation numbers is 0.

Answer: C) Between Explanation: Between the two I prefer tea is the correct sentence with suitable preposition.

Answer: D) All the above Explanation: In short, Democracy is a government "of the people, by the people, and for the people."   Definition : Democracy "is government by the people in which the supreme power is vested in the people and exercised directly by them or by their elected agents under a free electoral system."  The conditions of a democratic election are:   * Every citizen should have one vote ad every vote should have an equal value. * Voters choose from the political parties and candidates should be free to contest elections giving the voters a real choice. * Elections should be held at regular intervals. * The candidate preferred by the people should get elected. * Elections should be conducted in free and fair manner where people can choose as they really wish.