Thanks for asking this question! Yes, Crohn's disease is genetic but that isn't the whole story. Like with many other diseases, the environment plays a role too. Crohn's disease affects the digestive system (usually the lower half of the small intestine and colon).es, Crohn's disease is genetic but that isn't the whole story. Like with many other diseases, the environment plays a role too. Crohn's disease affects the digestive system (usually the lower half of the small intestine and colon).
Grog (clay) Grog, also known as firesand and chamotte, is a ceramic raw material. It has high percentage of silica and alumina. It can be produced by firing selected fire clays to high temperature before grinding and screening to specific particle sizes. It can also be produced from pitchers.
The term smog was coined in the early 20th Century by combining the words smoke and fog. Smog is a form of air pollution which highly reduces visibility on land. Smog is primarily produced as a result of industry and automobile generated air pollution and is a common occurrence in many industrial and urban areas of the world today. Smog adversely affects life in these areas, creating visibility constraints, respiratory troubles and other ill effects on the health of people, plants and animals inhabiting the area.