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 stretches across several countries, including Western Sahara, Mauritania, Morocco, Mali, Algeria, Tunisia, Libya, Chad, Egypt and Sudan. The desert is largely undeveloped and consists of a variety of terrains, such as sand dunes, barren rock plateaus, salt flats and wind-swept plains.