What is the Adjective oft pollution?

What area of the north American continent has the greatest risk of volcano damage? Who said this quote Equipped with his 5 senses man explores the universe and calls the adventure science? Does oil and water have the same boiling point? What is the purpose of a controlled variable (constant) in an experiment? Why could wegener be called an interdisciplinary scientist? Which is greater 10 miles or 10 km? What is the difference between salt water and regular water? How could a microscope be a good gift? What metal rust fastest? Can quicksand spread? What was the Persian empire's greatest achievement? What are some non examples of justice? How are you able to change the intencity of a sound wave? What are the sections of scientific paper? What do you need to keep a snail alive? What is to fratinize? What is the difference between an emmet and a grockle? How many manipulated variables does a controlled experiment have? What is the method used by the scientific scientist during the agricultural revolution? What happens when you place iron fillings around a magnet?