An Aldehyde is an organic compound containing a terminal carbonyl group. This functional group, which consists of a carbon atom which is bonded to a hydrogen atom and double-bonded to an oxygen atom (chemical formula O=CH-), is called the aldehyde group.
Berchtesgaden-a town in Bavaria The town of Berchtesgaden is located near Hitler's Eagle's Nest (Kehlsteinhaus) and can be easily reached by train; there are several hotels and it is an inexpensive place for tourists to stay overnight.
Crows Nest, Queensland. Crows Nest is a town in the Darling Downs region of Queensland, Australia. The town is located on the New England Highway, 158 kilometres (98 mi) from the state capital, Brisbane and 43 kilometres (27 mi) from the nearby city of Toowoomba. It is within the Toowoomba Region local government area.