The presence of liquid water on Earth’s surface is ________.

Which greenhouse gases play the most significant role in influencing changes in global atmospheric temperature?

If sea level continues to rise and covers the city of Miami, the Florida coast will become a(n) ________.

A crater in Mexico’s Yucatan peninsula may be the result of an impact that brought about the extinction of numerous species at the end of the ________ Period.

The reliable paleoclimate record from the Antarctic and Greenland ice cores provides information back to approximately ________ years ago.

Which transport medium carries the largest particles?

As compared to mafic igneous rocks, all felsic igneous rocks ________.

Vesicular is a term used to describe a texture in ________ igneous rocks.

A pre-existing body of gneiss is subjected to heat and forms a melt. Later, the melt cools and crystallizes to form a(n) ________ rock.

The inner edge of a meander, where sediment is deposited, is a(n) ________.