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.
Summers in the desert are generally hot and dry. The average highest temperature is in the upper 90s Fahrenheit, and temperatures of more than 100 are common. The average lowest temperature, on the other hand, sits in the middle 60s Fahrenheit.In some years, the temperature drops to the 40s.Winters are fairly cold in the desert.The average highest temperature is in the upper 50s Fahrenheit. The average lowest temperature is near 30 degrees Fahrenheit (though it can drop down to about 5 or 10 degrees). Elevations range from 2,310 to 3,110 feet. Much of the rain comes in winter.inters are fairly cold in the desert. The average highest temperature is in the upper 50s Fahrenheit. The average lowest temperature is near 30 degrees Fahrenheit (though it can drop down to about 5 or 10 degrees). Elevations range from 2,310 to 3,110 feet.