The ________ is the idea or concept that ancient life forms succeeded each other in a definite, evolutionary pattern and that the contained assemblage of fossils can determine geologic ages of strata.

The upper mantle is very close in chemical and mineralogical composition to ________.

Once a hurricane makes landfall, it ________.

A ________ is an isolated remnant of bedrock standing above a wave-cut platform.

Which of the following is TRUE of the decay of U-238?

Rock cleavage or slaty cleavage in slates is largely a consequence of abundant, parallel-aligned, very fine-grained mica flakes in the rock.

When mineral-rich groundwater permeates porous tissue, such as bone or wood, this is called ________.

In regions where deserts are expanding, ________ is said to be occurring.

The average composition of the continental crust most closely approximates that of ________.

Once a hurricane makes landfall, it ________.