3. In what year did the US Weather Bureau start officially naming tropical storms and hurricanes?

How many countries have portuguese as a national language?

Complete the activity titled "comparative urban environments." every city is shaped by different cultural forces. in one to two paragraphs, contrast the culture of two different cities from this activity: new york and buenos aires. what makes these cities stand apart from each other culturally? what is unique about each city’s attitude, language, habits, foods, or architecture?

What geologic process is related to caldera formation?