How does surface area affect weathering?
Natural EnvironmentsLarge rocks have less surface area for their volume than small rocks. Therefore, a smaller portion of the rock is exposed to weathering. It takes longer for the rock to wear away. The small rock has more surface area for its vol- ume, so it weathers away faster. Does more surface area increase weathering? Surface
Where does convergence occur?
Regional SpecificsAt the surface, low pressure systems have a counterclockwise rotation in the Northern Hemisphere, with the wind turning slightly inward towards the lowest pressure. This causes air to converge, or come together, at the center of the low near the ground. Where do convergence and divergence occur? The level of nondivergence (LND) is so called
What type of eruption is a cinder cone?
Regional SpecificsCinder cones are the simplest type of volcano. They are built from particles and blobs of congealed lava ejected from a single vent. As the gas-charged lava is blown violently into the air, it breaks into small fragments that solidify and fall as cinders around the vent to form a circular or oval cone. What
What is significant about black smokers for biology?
Regional SpecificsAlthough life is very sparse at these depths, black smokers are the centers of entire ecosystems. Sunlight is nonexistent, so many organisms, such as archaea and extremophiles, convert the heat, methane, and sulfur compounds provided by black smokers into energy through a process called chemosynthesis. What is significant about black smokers for mineral resources? A
Is a deposit created by a former meltwater channel or tunnel in glacial ice that was filled with sand and gravel?
Regional SpecificsSand and gravel deposited by glacial meltwater streams areknown as outwash till or stratified till. In the north-central United States, much of the land north of the Ohio andMissouri Rivers was covered by one or more of the Pleistocene ice sheets. Which feature is formed by a former meltwater channel or tunnel beneath the glacial
What is continental volcanic arc?
Regional SpecificsA continental volcanic arc forms along the margin of a continent where oceanic crust subducts beneath continental crust. The Cascade Volcanoes are an example. In both cases, the volcanic arc is an active landform. The term complex is used in geology to identify a discrete package of deformed rocks. How is a continental volcanic arc