Relative dating and radiometric dating are used to determine age of fossils and geologic features, but with different methods. Relative dating uses observation of location within rock layers, while radiometric dating use... More »

Two main types of carbon sequestration are terrestrial and geologic, according to Plains CO2 Reduction Partnership. Terrestrial methods use plants to capture CO2 from the atmosphere, and geologic sequestration involves p... More » Science Chemistry Atoms & Molecules

Radiometric dating works by determining the ratio of the number of isotopes of an element and the number of isotopes the element it turns into over time. Since the rate at which certain elements decay and turn into diffe... More »

The difference between ferric and ferrous iron is that ferric iron is in a plus-3 oxidation state, while ferrous iron is in a plus-2 oxidation state. This means that ferric iron needs to share three electrons with an oxy... More »

More than any other type of fossil, index fossils define geological time periods for geologists by providing the most useful information about the age of the rock they are found in. Index fossils are also called key foss... More »

Hydrogen peroxide can be manufactured in a number of different ways, but the most common methods involve the reaction of oxygen with isopropyl alcohol and anthraquinone. Some of the uses of hydrogen peroxide include as a... More »

An element in chemistry is described as the simplest form of a substance that cannot be broken down using chemical methods. Elements are composed of atoms with the same number of protons. More »