What is reflection noise?

In 1800 where did most Americans work? What is the cost of two women having a baby? Why cant we send radioactive waste into the sun? What does Swift say are REAL PROBLEMS facing the Irish in the modest proposal? Why should we recycle plastic bottles? Where is The permanent secretariat of the SAARC? Why and did Americans try to restrict Asian immigration? What South American city is located near the intersection of 20s south and 40w west on a latitude and longitude map? What year was the CHarter of Rights and Freedom passed? What was the main effect that labor saving devices and reduced working hours had on Americans' lives? What word is used to describe a species whose presence at a point in the river gives information about pollution? What would happen if plants lack meristematic tissues? What jobs did women have in 1948's-1970's? When a young person cannot deal with society? Can a Guinea-Bissau passport holder enter Cuba without a Visa? Which states have hate crime law to protect transgenders? Did the oil spill have an effect on siesta key beach? How do wetlands affect the air? Where is the wedgie quizzes at? What are the civil rights and responsibilities?