How does GIS allow for increased interconnectedness across the globe?

Match the graph type to its description. 1. uses symbols to describe information pie 2. compares different quantities at the same point in time line 3. compares increases and decreases in a quantity over a period of time bar 4. shows the relationship of parts to each other and to the whole pictograph

About 140,000 japanese died in this japanese city when americans dropped an atomic bob at the end of world war ii

Which statement best describes how chemical equations demonstrate conservation of mass?