Posted on April 16, 2022 (Updated on July 9, 2025)
How are artifacts dated?
Regional SpecificsVery few artifacts recovered from an archeological site can be absolutely dated. Archeologists use several methods to establish absolute chronology including radiocarbon dating, obsidian hydration, thermoluminescence, dendrochronology, historical records, mean ceramic dating, and pipe stem dating. What dating methods do archaeologists use? Archaeologists use two kinds of dating methods: relative dating and absolute dating. In
Posted on April 16, 2022 (Updated on July 9, 2025)
How common are ammonite fossils?
Regional SpecificsWhile ammonite shells are abundant in the fossil record, it was only recently that scientists have found a very rare fossil of the soft parts of an ammonite. However, fossilised evidence of ammonite arms is yet to be found. Are ammonite fossils rare? Ammonites are one of the most common and popular fossils collected by
Posted on April 16, 2022 (Updated on July 9, 2025)
What is the difference between differential stress and confining pressure?
Regional SpecificsUnder confining pressures, the stresses on the sides are greater than the force of gravity. Stresses are the same on all sides for differential stress. b. In differential stress, the stresses on the sides are greater than the force of gravity. What is the difference between differential stress and compressional stress? Stress – the term
Posted on April 16, 2022 (Updated on July 9, 2025)
How do tectonic plates cause earthquakes and volcanoes?
Regional SpecificsBecause the tectonic plates don’t go well together, it creates earthquakes and volcanic activity when two plates collide, diverge or slide past each other. There are three types of boundaries caused by tectonic plates on Earth: first, transform boundaries when two plates slide or grind past each other. How do the tectonic plates cause volcanoes?
Posted on April 16, 2022 (Updated on July 9, 2025)
What are three topographic features found on the ocean floor?
Regional SpecificsThree topographic features: mid-ocean ridges, trenches, abyssal plains. What types of technology are used to study the ocean floor? What are the three major topographic features on the ocean floor? The ocean floor or seabed can be divided into three major regions: the continental margins, abyssal plains, and mid-ocean ridges. These regions are easily distinguished
Posted on April 16, 2022 (Updated on July 9, 2025)
Does the Mississippi River flow into the ocean?
Regional SpecificsDoes the Mississippi River flow to the ocean? The Mississippi River has the world’s fourth-largest drainage basin (“watershed” or “catchment”). The basin covers more than 1,245,000 square miles (3,220,000 km2), including all or parts of 32 U.S. states and two Canadian provinces. The drainage basin empties into the Gulf of Mexico, part of the Atlantic