Which gas do plants primarily absorb during photosynthesis?

Which chamber of the heart receives deoxygenated blood from the body before sending it to the lungs?

Which planet is the closest to the sun in our solar system?

Which type of radiation has the greatest penetrating power among alpha beta and gamma radiation?

Which everyday principle explains how blood pressure monitors measure pressure in the arteries?

Which everyday optical device uses a combination of lenses to magnify distant objects?

Which everyday chemical reaction is responsible for rusting of iron objects?

Which organ produces the hormone adrenaline that prepares the body for fight or flight response?

Which gas is released when metals like zinc react with dilute hydrochloric acid?

Which force is primarily responsible for keeping planets in orbit around the sun?

Which scientific law explains how a changing magnetic field can induce an electric current in a conductor?