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

What is the function of red bone marrow in the human body?

Which layer of the Earth's atmosphere experiences the highest temperatures, even though it is farthest from the Earth's surface?

What is the process by which cells break down glucose to produce energy in the absence of oxygen?

What is the term for a cluster of stars bound together by gravity, with a spherical or irregular shape?

What is the primary gas in Earth's atmosphere?

What is the term for the region around a planet where its magnetic field influences charged particles, often creating auroras?

What is the primary function of the immune system?

In the water cycle, what is the term for the process by which water droplets form on surfaces as a result of temperature changes?

Which of the following is a measure of the total amount of dissolved salts in water, often used to determine water salinity?