Answer: A) it contains two different elements joined by chemical bond Explanation: We know that All compounds are molecules, but not all molecules are compounds. Water is a molecule because it is made from atoms that have been chemically combined. It is also a compound because the atoms that make water are not all the same - some are oxygen and some are hydrogen.   Hence, Water is a molecule and a compound.

Answer: B) 32 Explanation: Let the total women in the group be 'W' Then according to the given data,  W x 20 = (W-12) x 32  => W = 32  Therefore, the total number of women in the group = 32

Answer: A) Repetitious Explanation: Here the given words, sullen and moody are synonyms to each other which means that gloomy, resentful. Similarly, repetitious and monotonous are synonyms to each other which means dull, tedious.   Hence, Sullen : moody :: monotonous : repetitious.

Answer: C) Indus River Explanation: The name India is originally derived from the name of the river Sindhu (Indus River).

Answer: B) 23 Explanation: If he wants to give these books equally to 2 of his friends, then 1 book will remain, it means possible number of books = 15,17,19,21,23,25,27,29If he wants to give these books equally to 3 of his friends, then 2 books will remain, it means possible number of books = 17,20,23,26,29If he wants to give these books equally to 4 of his friends, then 3 book will remain, it means possible number of books = 15,19,23,27common number is only 23 so it will be answer

The persons whose primary investing objective is to preserve capital while generating a tax-free income stream, then municipal bonds are worth considering. Municipal bonds (munis) are debt obligations issued by government entities. When you buy a municipal bond, you are loaning money to the issuer in exchange for a set number of interest payments over a predetermined period. At the end of that period, the bond reaches its maturity date, and the full amount of your original investment is returned to you.   Types of Municipal Bonds : Municipal bonds come in the following two varieties: 1. General obligation bonds (GO)2. Revenue bonds General obligation bonds, issued to raise immediate capital to cover expenses, are supported by the taxing power of the issuer. Revenue bonds, which are issued to fund infrastructure projects, are supported by the income generated by those projects.   Both types of bonds are tax exempt and particularly attractive to risk-averse investors due to the high likelihood that the issuers will repay their debts.

Answer: A) impair the racial qualities of future generations either physically or mentally Explanation: Eugenics is the study of altering human beings by changing their genetic components.   It is the study of the agencies under social control that may improve or impair the racial qualities of future generations either physically or mentally.