IELTS Free Online Writing Practice - Examine the statement Ocean acidification is irreversible. In your response, you should consider both sides of the argument, weighing the evidence and against the assertion that ocean acidification is irreversible. Provide a clear conclusion at the end of your essay.
IELTS.WORK Free Online Writing Practice # 1710814546
Task:Examine the statement "Ocean acidification is irreversible." In your response, you should consider both sides of the argument, weighing the evidence for and against the assertion that ocean acidification is irreversible. Provide a clear conclusion at the end of your essay.
Model Answer:
In recent times, ocean acidification has become an alarming environmental concern due to the increasing levels of carbon dioxide in the atmosphere. The question arises whether this process is reversible or not. This essay will discuss two main perspectives: those who argue that ocean acidification is irreversible and those who believe it may be possible to reverse the effects.
On one hand, proponents of the irreversibility theory argue that the chemical changes taking place within the ocean are permanent. As carbon dioxide dissolves in seawater, it forms carbonic acid, which increases the acidity of the water. This process alters the delicate balance of marine ecosystems and threatens the survival of numerous species. Additionally, calcium carbonate, a key component for shell-building organisms like mollusks and corals, becomes less soluble in more acidic conditions. Consequently, these species struggle to survive and reproduce, leading to long-lasting changes in marine biodiversity.
Moreover, the rate at which carbon dioxide is being absorbed by the world's oceans is unprecedented in geological history. The Earth's natural systems have never experienced such a rapid change in acidity levels. Given this context, it seems unlikely that ocean acidification can be reversed within the timeframes relevant to most marine species.
On the other hand, some experts maintain that, while ocean acidification is currently irreversible on a human timescale, it may eventually be possible to mitigate its effects in the long run. The primary method proposed for this endeavor involves reducing greenhouse gas emissions, particularly carbon dioxide. By transitioning to renewable energy sources and implementing sustainable practices, humanity can slow down or halt the rate of ocean acidification. This would allow marine ecosystems time to adapt to these changes and potentially restore some degree of balance.
Furthermore, research is being conducted into technologies that could actively remove carbon dioxide from the atmosphere or accelerate its absorption by the oceans. While these methods are currently in their nascent stages, they offer a glimmer of hope for the future of marine life.
In conclusion, while ocean acidification appears to be irreversible on human timescales due to the rapid rate at which carbon dioxide is being absorbed by the world's oceans and the long-lasting impact it has on marine ecosystems, it may still be possible to mitigate its effects in the long run. By reducing greenhouse gas emissions and investing in new technologies, humanity can work towards preserving marine biodiversity and potentially restoring balance to our planet's oceans.
Score:
4.0 for Task Response - The response addresses all parts of the question and provides a clear conclusion at the end.
5.0 for Coherence and Cohesion - The essay is well-structured, with logical progression of ideas and appropriate cohesive devices used to link sentences and paragraphs.
4.5 for Lexical Resource - The vocabulary is generally advanced and varied. However, some sentences could be improved by using more sophisticated language or synonyms.
4.0 for Grammatical Range and Accuracy - There are a few grammar errors, but they do not significantly impact the understanding of the essay.
Overall
Score: 3.
875
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