What a substance is called when no charge is present?

In what form is berkleum found? What does CFC stand for and what does it do? The change in air pressure as air temperature increases at Earths surface? What are the key differences between non-renewable resources and renewable resources? What type of ate boundary forms a volcanic arc? Where would you typically experience hurricanes? How is a radioactive element's rate of decay? The name for all the life and habitats on earth? Could the Holocaust have been prevented? What is a storm that starts with 'n'? What do sound waves create? Fungi do not make their own food they feed on what? When a sculptor uses a chisel on the rock the rock undergoes a? What word do you use to describe the weather conditions of a particular place? Describe the plants and animals in the Inca environment? Who called boxlike structures in cork cells? What location does 0 degrees longitude fall? How come water does not freeze when its windy out? What main parts do bacterial cells have? What is the photosensitivity of calcium?