According to the figure below, how much has atmospheric carbon dioxide (CO2) increased in parts per million (ppm) in approximately the last 50 years?

In the figure provided below, what type of igneous intrusion is the horizontal rock unit shown by letter A?

With the increased data collected in recent years, scientists have become increasingly certain that Earth’s climate is ________.

The lithosphere is composed of the ________.

Which greenhouse gas has the greatest total importance in retaining radiant energy from Earth?

The mid-ocean ridges are elevated above the surrounding sea floor because ________.

Compared to typical oceanic lithosphere, the thickness of continental lithosphere is________.

Pumping vast quantities of water locally ________.

Within a meander, where is sediment most likely to be deposited?

________ metamorphism affects the greatest volumes of rock and produces the greatest variety in metamorphic rock types.