What is the eperdermis filled with?

What do the earths magnetic poles move around? Comtemplate why the distance from the sun is an important factor for a planet to support life? How do endogenic processes influence exogenic processes? When applying a force to make an object move why is it most effective to have the applied force aimed directly at the objects center of mass? What does pigment actually mean? What makes a volcanoe explode? What chemicals can be used to prevent bacterial growth? Are clovers invasive species? Is chocolate melting absorbing or releasing energy? What causes the xiphoid process to enlarge at adulthood? What element did Pierre and Marie Curie discover in 1898? What can a bacterium do to respond to high levels of transferrin? Where do you find your name written in Genus species order? What is the afghani symbol? What coastline is 840 miles? What is the size of a cobalt atom? If a bowl of fresh strawberries is sprinkled with sugar a few minutes later the berries will be covered with juice Why? Is crude oil is natural or man made? What is the point of the long description beginning the house fronts s looked black enough? What are the different wire joints?