50 points for anyone to tell me if outer space loops or is infinate or if we know yet or not

Ahill is made of rock particles of different sizes. which of these agents of erosion probably caused the hill to form?

The primary agent of contact metamorphism is

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?