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Water and its management
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How is sewage water treated?
Long process short, it goes through different kinds of filters to remove from the biggest object to the smallest organic particles
How is acid rain formed?
Due to the burning of fossil fuels. Their gases react with water in the atmosphere to form acids
What is acid rain?
Rain with a low pH
How can pesticides be a problem associated with water?
Because of surface run-off, they may end up in water streams an reservoirs, intoxicating and/or killing different non-target species
Share one fun fact about water
Tell us 2 things you learnt during this unit
Read the flow chart about eutrophication.
Yeap... just read it
What is eutrophication?
enrichment of water by mineral nutrients or organic matter that leads to a reduction in oxygen levels in the water and the death of fish and other animals
What incentives can you give to a company to reduce their water impact?
grants, tax relief, what else can you think of?
Name at least 2 ways in which legislations pressure industries regarding water pollution
requesting that they monitor their impact and that they find possible solutions, setting fines
When a country has a lot of water but cannot afford to extract it, purify it and make it available for the population
 
economic water scarcity
 
physical water scarcity
 
water availability
When water flows along the ground is called
 
surface run-off
 
infiltration
 
evaporation
 
interception
The process of changing a liquid into vapor
 
evaporation
 
excavation
 
condensation
 
transpiration
Plants absorbing groundwater and pumping it into the atmosphere is called
 
transpiration
 
evaporation
 
sublimation
 
none of these options
Water is what type of resource?
 
renewable
 
continuous
 
non-renewable
When sewage water is pushed through screens, sand, gravel and coal to remove organisms
 
filtration
 
coagulation
 
bioreactors
 
chlorination
The removal of salt from ocean water to create more portable water is called...
 
Desalination
 
Water transport
 
Xeriscaping
 
Towing icebergs
In general, water use worldwide is dominated by
 
Agricultural use
 
Domestic needs
 
Industrial activities
 
All these are sectors that use water about equally
Most surface water is stored in...
 
glaciers
 
irrigation
 
dams
 
ground water
Often water must be treated to become _______, safe to drink.
 
Potable
 
Pathogen
 
Clarified
 
Delicious
Underground water is accessed by...
 
Drilling Wells
 
Drip irrigation
 
Constructing canals
 
Opening the tap
True or false? The total surface of water in the earth surface is 71%.
True!
Which disease is transmitted by mosquitoes?
 
Malaria
 
Cholera
 
Typhoid
 
Diarrhea
A situation in which there is simply not enough water for human needs is...
 
Physical Water Scarcity
 
Sanitation
 
Distillation
 
Economic Water Scarcity
Infiltration is...
 
The process by which water seeps into the ground.
 
The process in which water flows through the soil.
 
The process by which water runs over the ground into rivers.
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