EARTH SCIENCE
NATURAL HAZARDS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Urbanisation-densely populated urban areas concentrate those at risk.
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Poverty-expense of housing leads to building on risky ground
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Farming-the attraction of nutrient-rich floodplains puts people at risk
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Climate change-global warming raises sea levels and generates more extreme weathe.
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Detailed explanation-1: -Forces of nature We find that temperature and precipitation are very important predictors of most disasters. As expected, higher temperature is associated with more disasters caused by droughts, wildfires, heat waves, tropical cyclones and other storms.
Detailed explanation-2: -Global warming can result in many serious alterations to the environment, eventually impacting human health. It can also cause a rise in sea level, leading to the loss of coastal land, a change in precipitation patterns, increased risks of droughts and floods, and threats to biodiversity.
Detailed explanation-3: -Geological records show that there have been a number of large variations in the Earth’s climate. These have been caused by many natural factors, including changes in the sun, emissions from volcanoes, variations in Earth’s orbit and levels of carbon dioxide (CO2).
Detailed explanation-4: -First, glaciers and ice sheets worldwide are melting and adding water to the ocean. Second, the volume of the ocean is expanding as the water warms. A third, much smaller contributor to sea level rise is a decline in the amount of liquid water on land-aquifers, lakes and reservoirs, rivers, soil moisture.