What is the effect on soilof growing cropsvwithout replacing plant nutrients and organic matter that have been removed

[ou.01jthe greatest speed with which any physical object moves is 300,000 km/soundsec. which of the following has a speed of 300,000 km/sec? a.light in water b.light in vacuum c.sound in air. d. sound in water

How have ethnic groups shaped the population in central america and the caribbean? how has migration shaped the population in central america and the caribbean? how has small land areas shaped population in central america and the caribbean? how has a rapid population growth shaped the population in central america and the caribbean?

What is the term for a government where power is carefully divided between a central government and several regional or provincial governments? a.) unified or central government b.) federal government c.) confederate government d.) republican government