In the United States, the Bureau of Labor Statistics computes the consumer price index which is used to find inflation rates. The bureau states that the consumer price index âis a measure of the average change over time in the prices paid by urban consumers for a market basket of consumer goods and services.â.
The earth ulis called a blue planet because of the presence of abundance of water in it. About 70 percent of the earth's crust is covered with water. And this imparts it with a blue colour as seen from the space.
The earth is a living system. The living world of the earth is called the biosphere. It is the region of the earth that supports life.The biosphere is so complex that ecologists and other scientists break it down into smaller units to study. The smaller units are called ecosystems.he earth is a living system. The living world of the earth is called the biosphere. It is the region of the earth that supports life.