What is the closest star to Earth?

What is the name for a large body of air with relatively uniform temperature and humidity, typically covering vast areas and influencing weather conditions?

What is the name of the theoretical boundary around a black hole beyond which nothing can escape its gravitational pull?

What is the name of the massive cloud of gas and dust from which a star and its planets form?

What is the SI unit of electric potential difference?

Which organ is responsible for detoxifying harmful substances in the blood?

What is the function of the nucleus in a cell?

Which gas, abundant in the atmospheres of Uranus and Neptune, gives these planets their blue-green color?

In the human digestive system, where does the process of mechanical digestion primarily occur?

Which type of weathering involves the expansion and contraction of rocks due to temperature changes, leading to the breaking of rock into smaller fragments?