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.
The German cockroach is the smallest roach species in Arizona, rarely exceeding 1/2 inch in length, and is commonly found inside Phoenix area homes, particularly in the kitchen. In fact, the German roach is the most common kitchen pest found in the Phoenix area.