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 covers all or part of Algeria, Chad, Egypt, Libya, Mali, Mauritania, Morocco, Niger, Sudan, Tunisia and Western Sahara. The word Sahara means desert in the Arabic language. The Sahara is one of the hottest places on earth.t is also the biggest hot desert in the world. However, it is the second biggest desert, as Antarctica is the biggest desert (but a cold desert). Some parts of the Sahara are sandy with giant dunes, while other areas are gravel plains, rock plateaus and mountains (only 3/8th of the Sahara Desert is sand).