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, by far the largest desert in the world, has an overall area as large as the continental United States and is also one of the hottest deserts on earth. The Sahara desert stretches over areas of Northern Africa, from the Red Sea to the areas close to the outskirts of the Atlantic Ocean.