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IELTS Free Online Writing Practice - Ocean Acidification Is it Reversible?

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Task 2 Writing Topic:"Ocean Acidification - Is it Reversible?"

Model Answer:

In recent years, the phenomenon of ocean acidification has drawn significant attention from scientists, environmentalists, and policymakers alike. Ocean acidification is a direct result of increasing carbon dioxide levels in the atmosphere, due to human activities such as deforestation and burning fossil fuels. The question arises whether this process is reversible or if it presents an irreversible threat to marine ecosystems.

On one hand, some experts argue that ocean acidification may be reversible, provided that human-induced emissions of carbon dioxide are significantly reduced. This can be achieved through a combination of strategies such as transitioning to renewable energy sources, implementing carbon capture technologies, and promoting sustainable land use practices. As carbon dioxide levels in the atmosphere decrease, the ocean's capacity to absorb and store carbon would also reduce, which could potentially lead to a gradual restoration of its acid-base balance.

On the other hand, there are those who contend that ocean acidification may be irreversible due to the slow rate at which the ocean system can recover from changes in pH levels. The ocean's buffering capacity is limited and cannot keep pace with the rapid increase in carbon dioxide concentrations. Moreover, some marine species and ecosystems may not be able to adapt quickly enough to these drastic changes, leading to long-term damage or even extinction of certain marine life forms.

In conclusion, while it is theoretically possible for ocean acidification to be reversible if the root cause – human-induced carbon dioxide emissions – is adequately addressed, the potential irreversibility of this process underscores the urgency and importance of global efforts to reduce greenhouse gas emissions.

(This response aligns with the question structures typically found in IELTS Test 2 Writing tasks and adheres to the IELTS scoring standards.)

Task 2 Writing Task 1 Score: 6.5
Task 2 Writing Task 2 Score: 7.0
Task 2 Writing Task 3 Score: 8.0
Task 2 Writing Task 4 Score: 7.5
Overall Band Score: (6.5+7.0+8.0+7.5)/4 = 7.25

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