Particles that form a sedimentary rock by accumulating are called sediment. Before being deposited, sediment was formed by weathering and erosion in a source area, and then transported to the place of deposition by water, wind, ice, mass movement or glaciers which are called agents of denudation.ost sedimentary rocks contain either quartz (especially siliciclastic rocks) or calcite (especially carbonate rocks). In contrast to igneous and metamorphic rocks, a sedimentary rock usually contains very few different major minerals.
Definition - What does Mobile E-Commerce (M-Commerce) mean? Mobile e-commerce (m-commerce) is a term that describes online sales transactions that use wireless electronic devices such as hand-held computers, mobile phones or laptops. These wireless devices interact with computer networks that have the ability to conduct online merchandise purchases.
How Does eBay Work. If you are clueless about how the online auction giant, eBay works, this article will be a revelation. Read to know all about it, from the buyer's and seller's perspective.ere's how bidding works on the site, from the seller's perspective. Any seller must first open an account with the site to be able to sell items. A PayPal account will also be necessary to make reception of payments possible.