1. Cold packs used in sports are examples of chemical energy. When the inner pouch is broken which is filled with water it reacts with the ammonium nitrate granules and makes new chemical bonds during the reaction absorbing energy from the surroundings.
The NBT is compulsory for prospective students applying to the Faculty of Health Sciences and the Diploma in Veterinary Nursing must write the NBT before or on 15 July in order to be considered for selection. The NBT is also used in the admission processes of the extended programmes.
by milly bitcoin october 28 2013 a new abbreviation for bitcoin is starting to come into use xbt up to this time btc has been the generally accepted notation for bitcoin since bitcoin is decentralized there is no standard or anyone to dictate what it should be the xbt comes from an international standards organization iso that keeps a list of currencies if a currency is not associated with a country then it starts with an x us dollar is usd and gold is xau bitcoin exchanges have begum to start using the xbt notation but many merchants still use btc