BUILDING BLOCKS. Overview. Macromolecules form when smaller molecules (building blocks or subunits) come together. Monomers are joined by covalent bonds to form polymers.
The coldest temperature in the Sahara desert is 36 degrees. Well, it depends on where in the desert, but it can reach below freezing. Its colder nearer to the ocean and warmer towards the center of the desert.
Daily summer temperatures are often above 90 Â°F. Parts of the desert have daytime temperatures highe â¦ r than 110 Â°F. Daily winter temperatures in the Sahara average from 50 to 60 Â°F. The world's highest recorded temperature was in the Sahara Desert.