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Odd One Out
Odd One Out
VARC · 50 questions with explanations
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Q1
Hard
Five jumbled sentences (labelled 1, 2, 3, 4 and 5), related to a topic, are given below. Four of them can be put together to form a coherent paragraph. Identify the odd sentence out and select the number of that sentence.
A
Coral reefs, which depend on the same calcifying chemistry, are weakening faster than warming alone would predict.
B
Larval oysters in some hatcheries now fail to form viable shells unless the incoming seawater is chemically buffered first.
C
Repeated bleaching events, triggered by spikes in sea-surface temperature, have left vast stretches of the Great Barrier Reef stripped of their colour and slow to recover.
D
As atmospheric carbon dioxide dissolves into the sea, it forms carbonic acid and steadily lowers the pH of surface waters.
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