Answer:

ans .1

CAUSES OF VOLCANIC ERUPTIONS ARE :

1. PLATE TECTONICS

2. VOLCANOES

2 ADVANTAGES:

1. formation of hotsprings

2.it loosens the soil making minerals more accessible to man kind.

ans.2

hurricanes effect people’s lives because they can do so much damage. Winds can damage houses, trees, and any outdoor property. If the hurricane doesn’t destroy where people live then the major flooding after hurricanes might. When homes are destroyed, people may have to rebuild homes and towns. People from the town would have to “clean up” the mess made by the hurricane.

ans . 3

Localized flooding may be caused or exacerbated by drainage OBSTRUCTIONS such as landslides, ice, debris, or beaver dams. Slow-rising floods most commonly occur in large rivers with large catchment areas. The increase in flow may be the result of sustained rainfall, rapid snow melt, monsoons, or tropical cyclones.

Severe flooding is caused by atmospheric conditions that lead to heavy rain or the rapid melting of snow and ice. Geography can also make an area more LIKELY to flood. For example, areas near rivers and cities are often at risk for flash floods. ... Floods can happen almost anywhere.

Floods occur when the discharge of the stream becomes too high to be accommodated in the normal stream channel. When the discharge becomes too high, the stream widens its channel by overtopping its banks and flooding the low-lying areas surrounding the stream. The areas that become flooded are called floodplains.

ans. 4

Forest fires increase carbon dioxide levels in the ATMOSPHERE, contributing to the GREENHOUSE effect and climate change. In addition, ashes destroy much of the nutrients and erode the soil, CAUSING flooding and landslides.

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