someFreshwater and Marine Systems questions


Question Description

hello i need help in some questions about Freshwater and Marine Systems

1-Describe where the liquid freshwater is found on the planet? If freshwater is a supposedly “renewable resource” (thanks to the water cycle!), why are our supplies of freshwater slowly dwindling?

2-After reading “The Last Drop, explain the social and political challenges that people in India and Pakistan face in filling basic water needs from an extremely limited supply.

3-According to Sylvia Earle in her TED Talk, what are the three greatest human-induced crises facing marine systems? Explain each one briefly.

and two more

Tutor Answer

School: UCLA



Freshwater and Marine System



Question 1
Most fresh water is found under the surface of the Earth as groundwater. The rest is
found in rivers, lakes, water vapor in the sky and streams. Water suppliers are dwindling to
recycle water because following reasons; first, they find recycling water to be very inconvenient.
Secondly, they lack enough space to recycle. Thirdly, recycled water does not make any
difference and finally, they find the process to be too hard.
Question 2
Due to limited water supply in these two countries, people face various political and social
challenges in fulfilling their basic water needs. First, women and children have to walk miles
away in such for fresh water. Secondly, many people do not access fresh drinking water at home
as the biggest percentage of water available is contaminated. Thirdly, as taps and rivers run dry,
there is likelihood that water will soon become a major flash-point between the two rivals as the
two keep on accusing each other of violating the world bank-brokered 1960s Indus waters.
Question 3
Excess carbon dioxide emitting activities which causes global warming and changing the ocean
chemistry making the sea more acid...

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Thanks, good work

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