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Unit #5 Human Impact on Hydrosphere Flashcards | StudBud
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Unit #5 Human Impact on Hydrosphere
Unit #5 Human Impact on Hydrosphere
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1
Which of the following is MOST responsible for reducing the availability of freshwater in this country?
boat and watercraft emissions
aquifer depletion
nonpoint source pollution
reservoir evaporation
2
Over-using an aquifer can lead to subsidence. Which other hazard would MOST likely be exacerbated by this subsidence?
drought
climate change
earthquake
flooding
3
What is the MOST sustainable way to reduce farm use of river water in coastal areas?
build desalination plants
use drip irrigation systems for more precise water use
construct pipelines that carries water away from reservoirs to farms
dig deeper wells
4
Fertilizers can get into ponds and cause algae blooms, this process is called...
eutrophication
contamination
drip irrigation
runoff
5
If a community decides to upgrade its water purification and management systems, what would mostly likely be the result?
decrease in water demand
increase of waterborne diseases
increase of freshwater supply
decrease of water levels
6
There are many methods to increase the freshwater supply. The one that takes up the most energy and money is...
conservation
building pipelines
desalination
drilling deep wells
7
What is most likely to happen is more farms were to be develop near a river basins?
an increase in serve weather events
an increase in average rainfall
an increase in nonnative species
an increase in water polltion
8
What is the most common contamination source for freshwater resources?
runoff
digging wells
lightning
melting of glaciers
9
Why are marshes important to our water?
helps filter water
increases flooding
decreases plant life
Justin Bieber
10
What is the best way to conserve water worldwide?
develop more coal-powered plants
increase the amount of land for cattle
use more efficient irrigation techniques
build more roads
11
A growing coastal city undergoing a drought would mostly likely experience saltwater intrusion.
True
False
12
What human activity directly affects freshwater?
allowing runoff from agricultural fields
burning of gasoline in car engines
throwing trash out car windows
depleting ozone layers
13
What would happen if the population near an aquifer increases?
aquifers take longer to recharge because everyone is using the water
tall buildings impede on the development of rain clouds
increases biomass and decreases evaporation rates
lake water is reserved for recreation
14
What will most likely happen after excessive withdrawal of groundwater in coastal areas?
increased reliance on irrigation because of drier soil conditions
intrusion of salt water into the water table
reduced efficiency of local desalination facilities
dilution of brackish water in estuarine ecosystems
