The author began the text with a question. What is the most likely reason the author structured the text this way? Select two options.

to demonstrate the importance of understanding the factors involved in extinction

to point out how experts may have many theories that they are still striving to prove

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to intrigue the reader and inspire him or her to keep reading to discover the answer

to highlight the fact that even the primary researchers do not have any actual theories

IS

а

to illustrate a central idea of the text and the possible answers currently being debated

е

is.

to explain why there is an ongoing controversy about why ancient mammals had different

life spans my