3. Environmental problems are serious in many countries. It means that the only possible way to protect the environment is at an international level. To what extent, do you agree or disagree?
It seems that there is an article usage problem here.
The noun phrase disposal seems to be missing a determiner before it. Consider adding an article.
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Use cohesive linking words accurately and appropriately
Linking words are very important in your essay.
To score effectively on your IELTS exam, you should make an effort to implement short concise sentences coupled with linking words.
Almost every sentence in your essay should have a linking word of some sort.
In fact, the only sentences that can omit linking words are your background sentence and thesis.
Linking word examples:
- in additional
- for example
- for instance
- even though