Answer: A) Longitudinal waves Explanation: Compressions and Rarefactions are characteristic of Longitudinal waves. The direction of vibration of the particles is in the same plane as in which the wave is propagating. The particles vibrate back and forth, about their mean positions.

1001 A N means 1001 Arabian Nights.   These are same as 12 S of the Z, 64 S on a C, 19 C in CB, 8 S on SS, ...

Answer: C) Heterotroph Explanation: Producer are Autotrophs as they prepare their own food and does'nt depend on others as Customers or Heterotrophs which depend on producers or Autotrophs.

Answer: B) Coins Explanation: Numismatics is the study or collection of currency, including coins, tokens, paper money, and related objects.

Bile contains bile acids, which are critical for digestion and absorption of fats in the small intestine. Since bile increases the absorption of fats, it is an important part of the absorption of the fat-soluble substances, such as the vitamins A, D, E, and K. Besides its digestive function, many waste products, including bilirubin, a byproduct of red blood cells recycled by the liver are eliminated from the body by secretion into bile and elimination in feces.

Answer: D) Production of goods Explanation: An excise or excise tax or excise duty is a type of tax charged on goods produced within the country (as opposed to customs duties, charged on goods from outside the country). It is a tax on the production of a good. This tax is now known as the Central Value Added Tax (CENVAT).

Answer: D) All the above Explanation: All the given reactions are Decomposition reactions. Decomposition reaction is a reaction in which only one reactant is splitted into two or more products.

Answer: A) Hydrophobic Explanation: Lipids are soluble in solvents of low polarity, which simply means that lipids are soluble in nonpolar solvents. This solubility property is a result of the large nonpolar regions that are indicative of the lipid molecule.