What is the role of DNA in the cell?

Which of the following is a type of cloud that often forms a dark, towering structure and is associated with thunderstorms?

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

Which of the following is a type of landform formed by the erosion of sedimentary rock layers, often resulting in steep cliffs and valleys?

What is the term for the process by which water changes from vapor to liquid as it cools?

What is the process by which rocks are broken down into smaller particles over time?

What is the term for the point on the Earth's surface directly above the earthquake's origin, where seismic waves are first felt?

Which organ is responsible for filtering and removing waste products from the blood?

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

What is the term for the process by which rocks are physically broken into smaller pieces without changing their composition?