What is the definition of relative dating?
Regional SpecificsWhat do you mean by relative dating? Relative dating methods estimate whether an object is younger or older than other things found at the site. Relative dating does not offer specific dates, it simply allows to determine if one artifact, fossil, or stratigraphic layer is older than another. What is the definition of relative dating
What is the best earthquake warning app?
Regional SpecificsThe Best Earthquake Apps for 2020 Earthquake Network – Realtime Alerts. (Image Source: Google Play Store) … My Earthquake Alerts. (Image Source: Google Play Store) … Earthquake: American Red Cross. (Image Source: Google Play Store) … LastQuake. (Image Source: Google Play Store) … Volcanoes & Earthquakes. … 3D Earthquake. Which is the best earthquake alert
How did Eyjafjallajokull affect the environment?
Regional SpecificsEffect on the environment The volcano released approximately 150,000 tonnes of CO2 each day, but the massive reduction of air travel occurring over European skies caused by the ash cloud, saved an estimated 1.3 to 2.8 million tonnes of carbon dioxide from entering the atmosphere by . What damage did Eyjafjallajokull cause? The eruption of
How is hematite extracted?
Regional SpecificsThe blast furnace Iron is extracted from iron ore in a huge container called a blast furnace. Iron ores such as haematite contain iron(III) oxide, Fe 2O 3. The oxygen must be removed from the iron(III) oxide in order to leave the iron behind. Reactions in which oxygen is removed are called reduction reactions. How
What is an earthquake mainshock?
Regional SpecificsThe mainshock is the largest earthquake in a sequence, sometimes preceded by one or more foreshocks, and almost always followed by many aftershocks. What is mainshock and aftershock? “If it happened before the largest one it’s a foreshock. If it happened after, it’s an aftershock. The largest is the mainshock. They are all just earthquakes.
What kind of sedimentary rock is dolostone?
Regional SpecificsThe principal mineral of limestone is calcite (CaCO3), a form of calcium carbonate. Dolostone is quite similar to limestone, but is composed mostly of the mineral dolomite (CaMg(CO3)2). Both are sedimentary rocks that occur as thin to massive beds of fine- to coarse-grained rock. What type of sedimentary rock is dolostone? Dolostone is a fine-grained