• 1. Nuclear magnetic resonance spectroscopy is a technique for structural characterization of pharmaceutical and other chemical molecules.
    2. The technique is used in quality control and research for determining the content and purity of a sample as well as its molecular structure.
    Which of the above statements is/are correct?
  • 1. Grasslands
    2. Soil
    3. Ocean
    4. Coral reefs
    5. Natural-gas purification plants
    Select the correct answer code:
  • 1. Jarawa
    2. Toda
    3. Sentinelese
    4. Shompen
    Select the correct answer code:
  • 1. Common but Differentiated Responsibilities and Respective Capabilities (CBDR–RC) is a principle within the United Nations Framework Convention on Climate Change (UNFCCC).
    2. The UNFCCC divided countries into “Annex I” and “non-Annex I,”the former generally referring to developing countries and the latter to developed countries.
    3. CBDR-RC and the annex classifications were codified in the 1997 Kyoto Protocol.
    Which of the above statements is/are correct?

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