How does radioactive decay give absolute dates to events in the geologic past?

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?

Alow-pressure belt means the air is cold and dry warm and rising cold and sinking warm and moist

Which of the following is the main purpose of using an anchored network of booms which funnel debris to a collection area?