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explain how the impact of human activities contributed towards flooding?
Flooding can turn even the most harmless looking watercourse into a raging torrent of large-scale destruction - buildings may prove no obstacle to its power; food crops may be ruined leading to food shortages and even starvation; peoples lives may [ be lost through drowning disease and homelessness. source: ]
sharpies|Points 7541|
Asked 5/5/2012 5:57:59 AM
Updated 4/27/2013 3:01:02 AM
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The activities that humans do that contribute to flooding are: deforestation - this removes the tree roots that holds soil in place to hold some of the water. Humans also build on land, removing green areas to make roads, drives, and there is not enough drainage on these surfaces for water to be absorbed into the soil.
Added 5/5/2012 6:14:47 AM
Human activities such as land degradation, deforestation of catchment areas, increased population density along the riverbanks inadequate land use planning, zoning, and control of flood plain development; and inadequate drainage, and management of discharges are examined when determining the factors that have contributed to the increased incidence of flooding of the past 100 years until 2004.
Added 4/27/2013 3:01:02 AM

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what is the global warming and how does it accures?
Updated 5/5/2012 7:38:52 AM
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Global warming is when the earth heats up (the temperature rises). It happens when greenhouse gases (carbon dioxide, water vapor, nitrous oxide, and methane) trap heat and light from the sun in the earth’s atmosphere, which increases the temperature.
Added 5/5/2012 7:38:52 AM
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global warming?
Weegy: Is the proccess in which temperatire of earth increases (More)
Updated 5/5/2012 6:23:06 AM
1 Answer/Comment
Global warming is the rising average temperature of Earth's atmosphere and oceans since the late 19th century and its projected continuation. Since the early 20th century, Earth's average surface temperature has increased by about 0.8 °C (1.4 °F), with about two thirds of the increase occurring since 1980. Warming of the climate system is unequivocal, and scientists are more than 90% certain that most of it is caused by increasing concentrations of greenhouse gases produced by human activities such as deforestation and the burning of fossil fuels.These findings are recognized by the national science academies of all major industrialized nations
Added 5/5/2012 6:23:06 AM
how can i make the intrduction of GLOBAL WARMING N LA NINA?
Weegy: Simply put, El Niño and La Niña are different stages in a cyclical pattern of climate turbulence otherwise known by meteorologists as the Southern Oscillation. [ First noticed by 16th century fishermen on the Pacific coast of South America, these phenomena were not scientifically documented until the 1920s when scientists noticed periodic occurrences every three to seven years in the eastern Pacific. Since the 1970s, though, El Niño and La Niña have been occurring with more frequency and intensity. The Effects of El Niño According to the National Oceanic and Atmospheric Administration (NOAA), the El Niño part of the cycle involves warmer-than-usual sea temperatures, great amounts of rainfall (in the northern hemisphere) and low atmospheric pressure. The most extreme results of an El Niño event have included flooding from Ecuador to the Gulf of Mexico, massive marine life die-offs in the Pacific, hurricanes in Tahiti and Hawaii, and concurrent droughts in many other parts of the world from Southern India to Australia to Central America. The Effects of La Niña In contrast, cooler sea temperatures, high atmospheric pressure and drier air characterize the La Niña phase of the Southern Oscillation. During La Niña, currents bring nutrients up from the deep water, providing feast, rather than famine, for marine organisms. And accompanying strong winds blow moisture away, making for cloudless skies and dry conditions in equatorial countries from the International Date Line east to South America. ] (More)
Expert Answered
Asked 5/5/2012 6:10:40 AM
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i want an introduction of global warming
Weegy: What is your question? (More)
Updated 5/5/2012 6:26:37 AM
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Global Warming

The current cycle of global warming is changing the rhythms of climate that all living things have come to rely upon. What will we do to slow this warming? How will we cope with the changes we've already set into motion? While we struggle to figure it all out, the face of the Earth as we know it—coasts, forests, farms, and snowcapped mountains—hangs in the balance.

Added 5/5/2012 6:26:37 AM
explain mudflow,landslides and what is a flood?
Weegy: n. A downhill movement of soft wet earth and debris, made fluid by rain or melted snow and often building up great speed. (More)
Updated 5/5/2012 7:45:22 AM
1 Answer/Comment
•A mudflow is a flow of water that contains large amounts of suspended particles and silt.
• Landslides take place when dirt, pebbles, rocks and boulders slide down a slope together. The amount of material moved in a landslide can be tremendous. In some cases this material is so substantial, that it is measured in cubic miles.
• A flood is a great flowing or overflowing of water, especially over land not usually submerged.
Added 5/5/2012 7:45:22 AM
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