The radius of a semicircle is 2 miles. what is the semicircle's perimeter

Do you guys know all the answers to this

The physical processes that create most of earth's physical features, including mountains, are known as

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?