Which of the following human activities could have an irreversible effect on an ecosystem? I. introducing a new species II. urba
n sprawl III. introducing a new chemical IV. over-hunting
2 answers:
Introducimg a new chemicsl to the enviormrnt snd posssibly a new hunting techniquie
Answer: It is all of them
Explanation:I just had the question
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The correct answer is c hypothesis
Molarity is a concentration unit, defined to be the number of moles of solute divided by the number of liters of solution.
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Lead Sulfate Tetrahydrate
