In a chemical equation, what do the coefficients represent?

What is the primary source of energy for the Earth's climate system?

What is the term for the process by which water vapor is released from plants into the atmosphere?

What type of boundary is characterized by the sliding or rubbing motion between two tectonic plates?

In the context of electricity, what does DC stand for?

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

In optics, what is the term for the point at which parallel light rays either converge or appear to diverge after passing through a lens?

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

What is the term for the process by which rocks change form or structure due to heat, pressure, or mineral composition changes?

Which space telescope is set to succeed the Hubble Space Telescope and is designed to observe the universe in infrared wavelengths?