Question

Biological factors are responsible for causing disasters
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Answer 1

Biological disasters might be caused by epidemics, accidental release of virulent microorganism(s) or Bioterrorism (BT) with the use of biological agents such as anthrax, smallpox, etc.

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Answer 2

effects like increase in pollution and unnecessary disturbing the mother nature, using more and more of fossil fuels is disturbing the earth, increasing of industrialization degradation of forest which leds to global warming which is killing flora as well as fauna.