naturally occurs in higher levels of atmosphere (stratosphere), protects living matter from ultraviolet electromagnetic radiation, and is destroyed by pollutants, such as Chlorofluorocarbons.

17. the soil erosion pictured here is the result of what? a. harvesting renewable resources at a rate greater than the sustainable yield b. a mudslide caused by excessive rains c. harvesting renewable resources at a rate lower than the sustainable yield d. the transition between geologic eras and eons

The covers all of earth like a thin shell,but it is not a solid sheet of material.it is broken up into several large sections and many smaller ones. fill in the blank.

Formidable obstacles of climate, terrain, and distance hinder exploitation of natural resources in russia. true false