por qué los problemas causados por la contaminación atmosférica afectan a todo el planeta y no solo al lugar donde se produce?

Name the two rivers that run through the fertile crescent. how were the rivers both positive and negative to societies of the fertile crescent?

Which of the following is an example of an outdated theory based on the consensus of the scientific community ? a. big bangb. geocentric solar systemc. heliocentric theoryd. plate tectonics answer : geocentric solar system

Because its government strictly controls its economy, north korea has a economy. a. command b. mixed c. traditional d. free market