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What does the term “escalation” refer to?

The source of wealth for the city-states of the east african coast was trade between the interior of africa and the far east. true false

Select the correct answer. after months of heavy rains, a farmer noticed a steady drop in crop production. upon testing the farmland, it was found the soil was severely lacking nutrients. which of the following explains the loss of nutrients from the soil? a. drought b. drainage basin c. leaching d. water shedding