What is the function of the nucleus in a cell?

What is the chemical symbol for iodine?

What is the term for the point in a planet's orbit where it is farthest from the Sun?

What is the primary function of white blood cells in the human body?

Which of the following is a function of the liver?

Which gas is responsible for the formation of the ozone layer in the Earth's atmosphere?

Which star, located in the constellation Canis Major, is the brightest star in the night sky?

What is the chemical formula for hydrogen peroxide?

What does the term "Ohm's Law" describe?

What is the term for a type of galaxy that does not have a distinct shape, containing a mix of old and young stars?