Water characterizes the most common and the most rare ecosystems worldwide. Why is it essential to...
Water characterizes the most common and the most rare ecosystems worldwide. Why is it essential to find ways to manage water resources for human populations?
a) Humans utilize water from oceans, which is the most common ecosystem.
b) Humans utilize freshwater, which is the rarest ecosystem.
c) Humans utilize freshwater, which is the most common ecosystem.
d) Humans utilize water from oceans, which is the rarest ecosystem.
Homework Answers
We know that there is 71% water and 29% land on earth. But even than there is shortage of water because about 97% of total water is found in oceans that can not be utilize by human. About 2 percent water is in the form of ice glaciers and permanent snow. Rest is freshwater that can be utilized and includes lakes underground water etc.( A large amount of this water is polluted). That's why it is essential to manage water resources for human population.
Most common ecosystem = ocean water
rarest ecosystem = fresh water.
Correct answer = B
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