The sensory, or afferent, division of the peripheral nervous system transmits information from the _________ to the CNS. skin. The interior of a nerve cell has a slight excess of negative charge because: potassium diffuses out of the cell.
The largest hot desert in the world, northern Africa's Sahara, reaches temperatures of up to 122 degrees Fahrenheit (50 degrees Celsius) during the day. But some deserts are always cold, like the Gobi desert in Asia and the desert on the continent of Antarctica. Others are mountainous.nly about 10 percent of deserts are covered by sand dunes. The driest deserts get less than half an inch (one centimeter) of precipitation each year, and that is from condensed fog not rain. Desert animals have adapted ways to help them keep cool and use less water.
The Sahara desert is the world's largest hot desert and is about  the size of Brazil. The physical processes that occur in the Sahara  are much the same as they are in other â¦ hot deserts of the world.he deserts, tropical forest, and tundra are considered to be  fragile ecosystems because of the long regeneration time when  vegetation has been destroyed. They are also fr â¦ agile because of the  low participation.