write and solve an algebraic equation to find the original mass of a sample of the radioactive isotope uranium-235 which has half life of 704 million years your sample is about 700 million years old and weighs 120 grams

By the year 1900 new york city had more than just people of british heritage. there were more people of italian descent than the cities of florence, genoa and venice put together. it was home to more irish than dublin (the capital of ireland) and more germans than hamburg. joining them were many thousands of people of polish, hungarian, and czech descent. what term best describes new york cities changing culture? a a pot of chili b a bowl of sugar c a cup of coffee d a slice of cheese

During industrialization which led to an exploration of new economic theories

The first time that unmanned underwater "gliders" were used by ocean scientists to respond to an oil spill was after the