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jeka94
2 years ago
12

3. What ecosystem has never been colonized by humans?

Biology
1 answer:
kicyunya [14]2 years ago
3 0
The ocean and the arctic.
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this is the way i would do it first

K - 1                K - 1
Cl - 1               Cl - 1
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So than from this we would need to find the common factor of the oxygen which is 6. So we would multiply 3 by 2 to get 6 as well as 2 by 3 to get 6.
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Cl - 1                        Cl - 1
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