worldwide via erosion, salinization, compaction, nutrient depletion, pollution, and urbanization. Humans also lose direct uses of natural habitat when habitat is destroyed. Papua New Guinea is often labelled as potentially the worst place in the world for gender violence. These plant families are still present in Papua New Guinea. North America and South America are treated as separate continents in the seven-continent model. Christopher Columbus sailed across the Atlantic Ocean to the West Indies in 1492, sparking a period of European exploration of the Americas. These are not very popular due to the often remote and roadless locations. Various private interests own the remaining land, totaling about one percent of the state. This is also the only region in Alaska in which the average daytime high temperature is