In the context of mitigating the impending global warming due to anthropogenic emissions of carbon dioxide, which of the following can be potential sites for carbon sequestration? 1. Abandoned and uneconomic coal seams 2. Depleted oil and gas reservoirs 3. Subterranean deep saline formations Select the correct answer using the code given below:

Consider the following statements about the deposits of 'methane hydrate': 1. Global warming might trigger the release of methane gas from these deposits. 2. Large deposits of 'methane hydrate' are f…

What is/are the advantage/advantages of zero tillage in agriculture? 1. Sowing of wheat is possible without burning the residue of previous crop. 2. Without the need for nursery of rice saplings, dir…

With reference to 'Direct Air Capture', an emerging technology, which of the following statements is/are correct? I. It can be used as a way of carbon sequestration. II. It can be a valuable approach…

Due to their extensive rice cultivation, some regions may be contributing to global warming. To what possible reason/reasons is this attributable ? 1. The anaerobic conditions associated with rice cu…

What does the Intergovernmental Panel on Climate Change (IPCC) emphasize regarding reductions in greenhouse gas (GHG) emission ? 1. Gradual and limited reductions are enough. 2. Deep, rapid and susta…