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

Which hormone is responsible for the development of secondary sexual characteristics in males?

What is the name for the point in a system where the entire mass can be considered to be concentrated for purposes of calculations?

Which of the following is a type of igneous rock that forms from the cooling and solidification of lava on the Earth's surface?

What is the function of the ciliary muscle in the human eye?

What does the term "pascal" measure in the International System of Units (SI)?

What is the function of the gallbladder in the digestive system?

What is the main function of the immune system in the human body?

In the human respiratory system, what structure prevents the entry of food into the trachea?

What law of physics describes the relationship between an object's mass, gravitational force, and its acceleration?