Although forms naturally in the stratosphere, when produced near the surface it is considered a pollutant with many negative effects.

Identifica pe harta vulcanii catopaxi si llullaillaco analizeaza semnele conventionale si indica tipul acestor vulcani

Religious conflict in northern ireland started with a) cultural differences resulting from viking invasions around 800 b) england’s split from the catholic church in the 1500s c) rebellions in ireland between 1916 and 1921 d) the norman invasion of england in 1066

Southeast asia relies on its many because of the volcanic, mountainous terrain. a. highways c. rivers b. airports d. lakes