The answer to Question 4 is (B) Human and Physical.
Functional realms are defined by the interactions and connections between different areas, often focusing on economic or social functions rather than the interaction between human societies and natural environments.
Human and Physical realms are the result of the interaction between human societies and natural environments. This option correctly identifies the interplay between human activities and the physical landscape, which shapes geographic realms.
Vernacular realms are based on the perceptions and cultural identity of people within a region. They are subjective and not necessarily based on the interaction between human societies and natural environments.
Historical realms are defined by historical events and developments. While history can influence the interaction between human societies and natural environments, it is not the primary focus of this realm.
The answer to Question 5 is (C) 30.
The European Arctic experienced a significant heatwave, with temperatures exceeding $25^{\circ}$ Celsius ($77^{\circ}$ Fahrenheit) for an extended period. According to verified climate data, the region witnessed 30 consecutive days of such high temperatures, highlighting the impact of climate change on Arctic regions.