[2026] PTE Academic Reading - Fill in the Blanks (Dropdown)
Fill in the Blanks (Dropdown) #0112
Fill in the Blanks (Dropdown)
Fill in the Blanks (Dropdown)
Below is a text with blanks. Click on each blank, a list of choices will appear. Select the appropriate answer choice for each blank.
Ocean acidification is a direct of rising carbon dioxide levels in the atmosphere. As the oceans absorb more CO2, the chemical of seawater undergoes a fundamental shift. This change in acidity makes it increasingly difficult for calcifying organisms to their calcium carbonate shells. The decline of coral reefs is particularly , as these structures provide essential habitats for a quarter of all marine species. Researchers are currently investigating how different species might to these changing conditions over several generations.
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Highlights
ID:pt6774599954
Test No:#0112
Difficulty:Hard
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