Consider the following statements.
S1: India used Pressurized Heavy Water Reactors (PHWRs) in Nuclear Power plants rather than other reactors which are globally used.
S2: Heavy water is more commonly available in many regions around the world (D2O) than ordinary light water (H2O).
S3: PHWRs are important for its fuel flexibility, safety, stable power supply and produce useful things as by-products.

Which of the following Legal provisions is/are used to claim compensation for environmental damage caused by ships?
1. Admiralty Act, 2017
2. Merchant shipping Act, 1958
3. Environment Protection Act, 1986
4. Biodiversity Act, 2002

Which one of the following states in India has the highest Maternal Mortality Ratio (MMR)?

Which of the following diseases are caused due to the exposure to Particulate Matter (PM2.5)?
1. Respiratory diseases 
2. Cardiovascular diseases 
3. Preterm Births
4. Gastrointestinal diseases