Taking material from the surface of the Earth in wide, shallow layers is? A. Strip mining
B. Open-pit mining

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.

Which of these definitions have been paired with the correct type of cell?