Multiple Choice, Single Answer
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Why do adult flamingos turn pink?
1 question
According to the passage, what directly causes coral bleaching?
1 question
How does desiccation help tardigrades survive harsh conditions?
1 question
According to the passage, what is the role of the branchial hearts?
1 question
Why do scientists classify glass as an amorphous solid rather than a true crystal?
1 question
According to the passage, what gives sourdough bread its tangy flavour?
1 question
Why does energy take so long to move from the Sun's core to its surface?
1 question
According to the passage, how can a ship's longitude be determined?
1 question
According to the passage, what mainly accounts for the tardigrade's reputation for being almost indestructible?
1 question
What is the main point the author makes about the bicycle's development?
1 question
Why did the discovery of hydrothermal vent ecosystems startle biologists?
1 question
What does the passage identify as the main cause of the global cooling after a large eruption?
1 question