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.
It is Saturday, June 16th, 2001 as I write this. This is part one of a two part letter. I've tried to meet a time deadline promised to Daniel, but there was just too much material to cover in one email. So, I will finish part two of this letter and email it on Sunday the 17th (or Monday the 18th at the latest).