Which statement about rainforests is false? a. rainforests contain more than half of the 30 million plant and animal species in the world. b. rainforests regulate world temperatures and weather patterns, and contain a large portion of limited fresh drinking water. c. rainforests have recently grown into nearby biomes, threatening the sustainability of grasslands. d. rainforest plants account for 25 percent of all medicines found in drugstores.

an expansion is one of two basic business cycle phases; the other is contraction. the transition from expansion to contraction is a peak, and the changeover from contraction to expansion is a trough.

the process is called revolution because it was a process of great economic-social transformations that began in england in the xviii century.

the industrial mode of production spread throughout much of the northern hemisphere throughout the xix and early xx centuries.

the effect of this revolution was the distance between the countries, with respect to economic and political power.   after all, not all industrialized at the same time, remaining in the condition of suppliers of raw materials and agricultural products to the industrialized countries.

these differences mark to this day the nations of the world that are divided between developed and developing countries. one way to measure whether a country is advanced is to assess how industrialized it is.