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

Answer: B) Metabolic wastes from a cell Explanation: Excretion is best described as the removal of Metabolic wastes from a cell.

Answer: D) Nothing Explanation: Poor people have Nothing Rich people need Nothing If you eat Nothing you die.   Hence, it is Nothing.

Answer: A) mud Explanation: Among the given options, mud is not an aerosol.   An aerosol is a suspension of fine solid particles or liquid droplets, in the air or another gas. Aerosols can be natural or anthropogenic. Examples of natural aerosols are fog, dust, forest exudates and geyser steam. Examples of anthropogenic aerosols are haze, particulate air pollutants, and smoke.

Answer: B) FALSE Explanation: FALSE. Each hemoglobin molecule can transport four molecules of oxygen.   Hemoglobin, or Hb, is a protein molecule found in red blood cells (erythrocytes) made of four subunits: two alpha subunits and two beta subunits. Heme the component of hemoglobin responsible for binding oxygen consists of an iron ion that binds oxygen and a porphyrin ring that binds the globin molecules, one molecule binds one molecule of oxygen and can bind up to four oxygen molecules.

Answer: A) BJP Explanation: Ram Nath Kovind, the present President of India is from BJP, Bharatiya Janata Party. The president of the Republic India is the head of state of India. He is also the commander-in-chief of Indian Armed Forces. He is indirectly elected by the people through members of both houses of the parliament of India, legislative assemblies of all the states of India, the legislative assembly of the Union

Answer: A) to make and pass laws at the state level Explanation: Each state in the U.S. has a state legislature. The state legislatures main purpose is to make and pass laws at the state level.   An integral part to each state government - indeed where the people of each state are best represented - is the state legislature.   State legislatures are the respective representative bodies for the people of each state. The primary responsibility of any state legislature is to design, draft, and vote on bills and laws to govern each state. Bills and laws generally go through several committees prior to being voted on in the entire assembly, through which the bills and laws are changed, amended, or killed altogether.

Answer: C) H2O Explanation: The common greenhouse gas containing only hydrogen and oxygen is H2O, this is water vapor. The common greenhouse gases are water vapor, carbon dioxide, methane, nitrous oxide, and ozone. The composition (chemical formula) of those gases are: Water vapor: H2OCarbon dioxide: CO2Methane: CH4Nitrous oxide: NOOzone: O3. As you see the only one of those that contains only hydrogen and oxygen is H2O, water vapor.