Plate Tectonic Theory Is Based on ____

question 35

Multiple Choice

Plate tectonic theory is based on ____.

• A) ​a model in which cool material in the earth's crust rises and spreads laterally beneath the crustal plates
• B) ​the idea that Earth's crust is fragmented into rigid crusts that are sinking slowly beneath crustal plates
• C) ​the idea that sedimentary rock formation causes continents to drift apart slowly on their crustal plates
• D) ​observations that the sea floor is slowly spreading away from oceanic ridges, driven by plumes of magma welling up from Earth's interior
• E) ​evidence that severe disturbances in Earth's crust shaped the continents in a single large event

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Definitions:

Earth's Seasons

Periods throughout the year characterized by changes in weather, ecology, and hours of daylight, resulting from the earth’s tilt and orbit around the sun.

Earth's Tilt

The angle between Earth's rotational axis and its orbital plane around the Sun, which significantly influences seasonal variations in climate.

Orbit

The path followed by an object revolving around another object or the cavity in the skull in which the eye and its appendages are situated.

Nutrient Cycle

The natural process of recycling nutrients in various chemical forms from the environment to organisms and back to the environment.