Discuss the distribution of earthquakes and volcanoes over the surface of the earth. Are they scattered at random or are they concentrated in zones? Describe your observation.

stratosphere: as the altitude increases, the air temperature increases. the stratosphere has a layer of ozone, called the ozone layer. this layer absorbs most of the ultraviolet radiation from sunlight. this results in the stratosphere being warmer.

your answer should be c) enjoy!

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.