Which instrument is used to measure humidity levels in the atmosphere?

Which type of animal can live both on land and in water, such as frogs and toads?

Which substance in a catalytic converter helps reduce harmful vehicle exhaust emissions?

Which stomach enzyme is primarily responsible for breaking down proteins into smaller peptides?

Which vitamin deficiency causes pellagra characterised by dermatitis diarrhoea and dementia?

Which human body system is primarily responsible for fighting infections and diseases?

Which renewable energy source harnesses heat stored inside the Earth to generate electricity?

Which type of immunity is passed from mother to infant through breast milk or placental transfer?

Which everyday device converts direct current into alternating current for household appliance use?

Which part of the water cycle involves water vapour cooling and turning back into liquid water droplets to form clouds?

Which respiratory condition involves inflammation and narrowing of the airways causing difficulty in breathing?