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 in northern Africa, where it occupies parts of Algeria, Chad, Egypt, Eritrea, Libya, Mali, Mauritania, Niger, Tunisia, and Western Sahara.he Sahara Desert in northern Africa is the largest hot desert in  the world at 9.65 million sq km. The Gobi Desert in China and  Mongolia is the 3rd largest hot desert in t â¦ he world at 1.3 million  sq km. 33 people found this useful.