Question

E.xplain the advantages of amenities in urban areas .....

Answer 1

There is a high level of pollution because of industries, factories, cars, and trucks. Traffic jams are very often in an urban area and there is a shortage of land to build on. Overcrowding is also a problem, along with higher crime rates. There are many advantages of living in an Urban environment

Answer 2

Explanation:

Pure calcium carbonate can be produced from marble, or it can be prepared by passing carbon dioxide into a solution of calcium hydroxide. In the later case calcium carbonate is derived from the mixture, forming a grade of product called "precipitated calcium carbonate,” or PCC.