What is the role of DNA in the cell?

In the human respiratory system, where does gas exchange with the bloodstream occur?

What is the function of the endocrine system in the human body?

Which of the following is a significant factor contributing to the greenhouse effect on Earth?

What is the name for the phenomenon where a wave bends as it passes from one medium to another at an angle?

Which space mission discovered the first evidence of liquid water on Mars, suggesting the possibility of past life?

What is the SI unit of electric potential difference?

What is the name for the process by which rocks are dissolved by acidic water, particularly effective on limestone and other carbonate rocks?

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

Which type of energy is associated with the motion of an object?