worksheet 3 Flashcards
give 4 causes of floods
global warming
melting snow
natural vegetation
polar icecaps
give 2 postive effects of floods
river in flood carry fertile soil
river in flood may clean out dead vegetation
give 4 negative effects of floods
injury and loss if life
displacement of people
disease
soil erosion
how can floods affect informal settlements
the crops are damaged and destroyed
global warning adds to the flooding of costal areas
how can wet lands prevent floods
holds the water back
how can effects of floods be reduced
building buldings
terraces on montain slopes
wetlands on mountainous reigions
name 3 immidiate responses to floods
evacuating people from costal areas
supply of food and water
supoly if medical façilities
how can wet lands be protected?
never send animals to wet lands
what is a tsunami
a earthquake inside the ocean
how heavy rains lead to floods
when the rivers or dams get fulled
what destroys natural vegetation
heavy rains and floods
describe how a tsunami occurs
the earthquake pushes a lot of water to the surface
effects of a tsunami
loss of life homelessness damage to buildings spread diseases causes floods
why are the build up areas more at the risk ofbfllods than wider areas
beacuse wider areas dont observe water
