A sector wise profession is defined as a profession that is specific to a particular job sector.
The correct answer is rain forests increase greenhouse gases. I know for sure it's not the first or third answer. Rain forests are the habitats for many animal and plants but I'm pretty sure its over 50% not 30%.
The Aegean Sea occupies an area of sunken land called a graben.
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The importance of the river for transportation and trade greatly increased in the early 1800s as paddle wheeled steamboats became popular. Cities along the Mississippi such as St. Louis boomed. During the Civil War, both the North and the South used the river for transportation.
