A scalpel, or lancet, is a small and extremely sharp bladed instrument used for surgery, anatomical dissection, and various arts and crafts (called a hobby knife). Scalpels may be single-use disposable or re-usable.
The Sahara desert is the largest hot desert in the world, located in the northern part of the African continent. The Desertâs âmean annual temperature exceeds 86 degrees and it could get up to as high as 122 degrees in the summer, and as low as 30 degrees in the winterâ (7).
The Sahara Desert is located northern Africa.    It extends from the Mauritania on the west coast of Africa to Egypt  in the east, and from the Mediterranean coast (ap â¦ proximately 32  degrees North Latitude) in the north to roughly 14 degrees North  Latitude.he Sahara is the largest hot desert in the world covering 3.6 milllion square miles, but Antarictica covers 5.5 million square miles and has less than 10 inches of precipitat â¦ ion per year.