1. Sir aab objectives ka paper aaya ha aab aap objectives ka lecture dou tahke bhoot sa student ka aasan ho jaya

  2. Many of your answers are wrong…. Starting from question 2. Ans is none of the above… BOD stands for Biochemical oxygen demand….

  3. Sir kindly upload videos on "impact of environmental issues on our health and social lives"
    thanking you for anticipation

  4. 22. is B. Above the stratosphere is the mesosphere. It extends upward to a height of about 85 km (53 miles) above our planet. Most meteors burn up in the mesosphere. Unlike the stratosphere, temperatures once again grow colder as you rise up through the mesosphere. The coldest temperatures in Earth's atmosphere, //////////////about -90° C (-130° F), are found near the top of this layer/////////////. The air in the mesosphere is far too thin to breathe; air pressure at the bottom of the layer is well below 1% of the pressure at sea level, and continues dropping as you go higher.

  5. Dear Sir CTBT Stands for Comprehensive Test Ban Treaty …. On 10 September 1996, the Comprehensive Test-Ban Treaty (CTBT) was adopted by a large majority, exceeding two-thirds of the General Assembly's Membership

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