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The reasons for human population explosion are:

  1. Lack of proper family planning.
  2. Lack of scientific knowledge about human reproduction and birth control measures.
  3. Early marriage and therefore increased reproductive period for females.
  4. Increased food production due to modern technology and improved methods of food storage.
  5. Increased life expectancy due to advancement in medical field.
  6. Religious and social influence.
  7. Relief from natural calamities due to developed facilities.
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