Exam 12: The Dynamic Planet

Earth's magnetic poles

The process of isostatic adjustment is most closely associated with which of the following?

The mantle represents 80% of the Earth's volume.

The oldest seafloor is a no more than 280 million years in old because

The Hawai'ian Islands were formed as a result of

The three principal cycles composing the geologic cycle include all the following except

The rock cycle is fueled both by the hydrologic cycle and the tectonic cycle.

Continental crust is basically ________, whereas oceanic crust is basically ________.

Exogenic processes cause warping, folding, faulting, and uplift of Earth's surface.

Earth's crust is roughly made up of

The half-life of a radioactive isotope does not vary.

An element or combination of elements that forms an inorganic, natural compound is called a

Limestone formed from the shells of marine organisms is an example of ________ sedimentary rock.

Earthquake and volcanic occurrences do not correlate well with crustal plate boundaries.

The inner core is liquid iron, surrounded by a solid iron outer core.

The rigid crust and uppermost mantle are known collectively as the

Which of the following plays a role in the shaping of Earth's surface?

Which rock type makes up approximately 90% of the Earth's crust.

Glaciers that once covered the Hudson Bay area melted 8,000 years ago. As a result of this, the bay is gradually rising. In another 10,000 years or so, it will have risen above sea level and become dry. This process can best be considered an example of

In terms of the geologic cycle, which of the following is not an exogenic process?