Answer:
C. Birds.
Explanation:
The question is asking about which type of pet has 10% of students prefer.
As given in the pie chart:
Dogs preference: 50%
Cats preference: 35%
Birds preference: 10%
Fish preference: 5%
As seen, Birds is the only one that has 10%, therefore making it the answer.
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I believe that the phrase from Mandela's speech that is an example of a metaphor is the first one - 'the children, [...] the greatest of our treasures."
A metaphor is a type of comparison, where two or more things are compared without using words such as <em>like </em>or <em>as. </em>Here, the children are the greatest of our treasures - they are compared to a treasure, something which is the most important thing of all.