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).
1. Sahara Desert, North Africa â 3.4 million km ÑÐ². Sahara Desert. Sahara is the largest desert in the world. Sahara is located in northern Africa and 2.5 million years old. The desert stretches from the Atlantic Ocean to the Red Sea.