What is vail apparatus and how is it used?

Which of the following factors is most important when determining the types of boundary that forms when two lithospheric plate collide? What is the structure of alpha particles? What is the process by which desirable traits are more likely to survive? How many teaspoons in 10grams of sugar? Group of tissues that work together to perform a specific task are calle what? What is another name for Adenosine and three phosphate molecules attached to it? How did Stephen Hawking make an impact on America? What can contaminate a specimen? Why do spring balance shows wrong readings after they have been used for a longtime? How is a cloud non living? Dinobryon is a specices of protozoa that repordocues asexually. How can this asexual reporduction be harmful to the species? What metal uses the symbol k in a diamond? Is aden a girl? How did Columbus know that a lunar eclipse was about to occur? When was Galileo blinded? What are two methods scientists use to detect changes ina volcanoes slope that may signal an eruption? What are the five major groups of human pathogens? Why do I detect 12 volt on earth wire? What is the largest coninent? Will Na3PO4 plus CoCl2 precipitate?