what are the causes of of biological disaster. 200 to 300 words
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Answers
Explanation:
A natural catastrophe having unfortunate consequences is called a disaster. Biological disasters are natural scenarios involving disease, disability or death on a large scale among humans, animals and plants due to micro-organisms like bacteria, or virus or toxins.
Disasters come about as a matter of cause and effect. The majority of disasters are the result of natural, environmental conditions coming together in ways that build upon one another until the situation overwhelms the ability of responders within the affected area from bringing sufficient human and material resources to bear on it in time in order to prevent it from worsening or spreading. If the storm is big and strong enough, there is not much that the people within the affected area can do to stop it and so they are reduced to waiting until the storm has passed in order to respond to it. Even if the resources were to be made available, the environmental conditions are such that the resources cannot be moved into position to be used within the affected area.
Tornadoes occur where the land mass is flat so that circulating winds create the conditions that form the tornado. Floods occur where the land mass is lower than the surrounding land mass, allowing water to flow into, but not out of, the affected area. In these examples, the land mass is the preexisting condition.
Preexisting conditions are a definite requirement for disasters to occur. If there is an earthquake fault underneath a city, that is a preexisting condition. The city planners may not have known it was even there or may have determined that it posed too little of a threat to keep them from building over it. When that fault moves with sufficient force, it creates an event that is capable of causing a disaster for the city. Ground shaking weakens structures and damages infrastructure in ways that may turn public utilities like gas and electricity into hazards within the community.
Explanation:
Biological disasters define the devastating effects caused by an enormous spread of a certain kind of living organism – that may the spread a disease, virus, or an epidemic. Biological disasters can also be simply, a sudden growth in the population of a certain kind of plants or animals, e.g., a locust plague.
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