Question

Read this claim from paragraph 2 of the passage:

Ten years later, mobile phones were available to the public, and since then cell phone technology has completely changed communication.

Which type of evidence does the author use to support this claim?


Expert opinion


Anecdotal evidence


No evidence


Facts and statistics

Reading Passage
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Cell Phones: Classroom Technology of the Future

1 The cell phone. No longer a device just to make telephone calls, cell phones can now be used to take pictures and record video, send text messages and tweets, and access the Internet. Using a smartphone, you can receive and send email, get directions, play games, listen to music, and watch movies. You can now speak to your cell phone and it will answer back. Ask it a question and it can tell you the answer. At some stores, customers can pay using their cell phones. The cell phone has become a handheld computer—an integral part of day-to-day technology. The question, therefore, inevitably arises: Is it appropriate for students to use cell phones in schools? Some schools have adopted policies to ban cell phone use in the classroom, but are these initiatives reasonable? Although they have limitations, cell phones can be used to ensure student safety, help with job skill preparation, and aid in classroom instruction.

2 The first cell phone call was made in 1973 by Martin Cooper, an engineer at Motorola. On a New York City street, he wowed observers with the new device. Ten years later, mo

Answer 1

Facts and statistics.

The author cites a factual historical detail (the first cell phone call in 1973 and that phones were available to the public ten years later) to support the claim.