DiscuDiscussing Cause - 1

Over the past 150 years there has been a huge increase in population. And the following is the reasons why caused the significant change. One reason is that the medicine and health care advance, and less people would die of disease. Another reason is that we have better sanitation so that some infectious disease such as malaria would reduce. Besides, people improved farming methods that produce more and better food; therefore, people don’t have to worry about the shortage of food provisions. In addition, there are fewer infant deaths and more people living longer, so the popularity would increase continuously. The reasons above are why there has been a huge increase in population.