Answer: B) Humidity Explanation: The amount of water vapor ranges from a trace amount up to 4% of the mass of air. Water vapor exists as an invisible gas in the air.   The amount of water vapor in the air is called absolute humidity. The amount of water vapor in the air as compared with the amount of water that the air could hold is called relative humidity. The maximum amount of water vapor that can be in the air depends on the air temperature.

Answer: A) 2 Explanation: In Mitosis, one parent cell divides into 2 daughter cells with identical chromosomal number. However, in Meiosis, one diploid parent cell divides into 4 haploid daughter cells.

The principles of joint operations are formed around the traditional principles of war.   The other three additional principles include restraint, perseverance, and legitimacy which are relevant to how the Armed Forces of the United States use combat power across the range of military operations.

Answer: B) pleura Explanation: The pleura is the membrane that covers the lungs, according to InnerBody. The pleura consists of two layers, with the parietal pleura forming the membrane's outer layer and the visceral pleura forming the membrane's inner layer.

Answer: D) Rs.7,650 Explanation:

Answer: D) Sulfur Dioxide, Carbon Dioxide, Nitrogen Oxides Explanation: Acid Precipitation or Acid rain is caused by a mix of Sulfur Dioxide, Carbon Dioxide, Nitrogen Oxides.   A Chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. These substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as Acid Rains.

Answer: A) Rajasthan Explanation:

Answer: B) Facebook Explanation: