An atom has a small, positively charged nucleus surrounded by a large region in which scientists can predict where an electron is likely to be

In 2002, the rare earth elements mine in mountain pass, california was closed because

Which describes fat? a: a carbohydrate that produces energy b: a nucleic acid that directs cell function c: a lipid that stores energy d: a protein that speeds up a chemical reaction

Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.