What is the process by which a star converts hydrogen into helium, releasing energy in the form of light and heat?

Which of the following is an example of a double displacement reaction?

What is the name for the layer of loose, unconsolidated material covering the Earth's surface and consisting of mineral and organic particles?

What is the powerhouse of the cell, responsible for energy production?

In the human respiratory system, what structure prevents the entry of food into the trachea?

What is the chemical formula for glucose?

Which of the following is a strong acid?

Which of the following is a fossil fuel formed from the remains of ancient marine organisms?

What is the chemical formula for carbon dioxide?

What is the primary function of the stomach in the digestive system?