The Earth has four main seasons: winter, spring, summer, and fall. Which of the following is a cause of seasonal changes on Earth? The Earth rotates. The Earth's axis is tilted. The Earth revolves around the Sun.
Why is California warm and moderately humid but Nevada is hot and dry? A. The two states are at different latitudes. B. As air moves west over California's mountains, it gains moisture. C. The two states are at the same latitude. D. As air moves east over California's mountains, it loses its moisture.
slum areas called shantytowns occur in ___ major African cities, housing over ___percent of urban populations
In the context of European colonization, Portugal controlled Mozambique and A. Kenya B. Angola C. Madagascar D. Congo
Which of the following is not a factor that has contributed to agricultural success in the US? A. expansive infrastructure and mechanized equipment B. access to expensive chemical fertilizers and pesticides C. controlled population growth D. the prohibition of hybridized crops
