Which of the following blood vessels carries oxygenated blood from the lungs to the heart?

What is the term for the process by which a river wears away the land and carries sediment downstream?

What is the purpose of the circulatory system in the human body?

Which of the following is a type of volcano characterized by its gentle slopes and non-explosive eruptions, often producing basaltic lava flows?

What is the chemical formula for sulfuric acid?

Which of the following is not a component of the human nervous system?

What is the term for the process by which a glacier melts and releases sediments it carried, shaping the landscape?

What type of mountain is formed by the folding and uplift of rock layers along tectonic plate boundaries?

In the human reproductive system, what is the function of the ovaries in females?

In a chemical reaction, what is the term for substances on the left side of the arrow?