Posted on April 16, 2022 (Updated on July 9, 2025)
What mountain range is Pittsburgh in?
Regional Specificsthe AppalachiansThe Alleghenies comprise the rugged western-central portion of the Appalachians. They rise to approximately 4,862 feet (1,482 m) in northeastern West Virginia.… Allegheny Mountains States Pennsylvania, Maryland, West Virginia and Virginia Parent range Ridge-and-valley Appalachians Borders on Cumberland Mountains Geology Are there mountains by Pittsburgh? He said that geographically, Pittsburgh is clearly in the
Posted on April 16, 2022 (Updated on July 9, 2025)
Why are some rocks black?
Regional SpecificsBrown, black, or very dark gray rocks may contain large concentrations of organic matter (decayed plant and/or animal matter) and were generally deposited in an environment lacking oxygen. A prime example is coal, but other examples include black and very dark gray shales. What causes rocks to turn black? Iron minerals in rocks deposited in
Posted on April 16, 2022 (Updated on July 9, 2025)
How does the shape of a stream channel affect flow?
Regional SpecificsThe shape and roughness of the channel also affect the velocity of the flowing water. A narrow channel that is V‐shaped or semicircular in cross section results in faster flow; a wide, shallow channel yields a slower flow because there is more friction between the water and the stream bed. How does channel shape affect
Posted on April 16, 2022 (Updated on July 9, 2025)
What does seismometer mean in geography?
Regional Specificsnoun. a seismograph equipped for measuring the direction, intensity, and duration of earthquakes by measuring the actual movement of the ground. What is seismometer in geography? Seismographs are instruments used to record the motion of the ground during an earthquake. They are installed in the ground throughout the world and operated as part of a
Posted on April 16, 2022 (Updated on July 9, 2025)
What are the two ways of dating fossils?
Regional SpecificsThere are two main methods determining a fossils age, relative dating and absolute dating. Relative dating is used to determine a fossils approximate age by comparing it to similar rocks and fossils of known ages. What are the two methods of dating? The two main types of dating methods are relative and absolute. Relative dating
Posted on April 16, 2022 (Updated on July 9, 2025)
What are characteristics of intrusive igneous rocks?
Regional SpecificsIntrusive rocks are characterized by large crystal sizes, i.e., their visual appearance shows individual crystals interlocked together to form the rock mass. The cooling of magma deep in the Earth is typically much slower than the cooling process at the surface, so larger crystals can grow. What are the 3 characteristics of intrusive igneous rocks?