Blueprints Upper Primary B Unit 3: A Changing World, 1st edition

Can you imagine life without a home or mobile phone, or waiting three weeks for a letter to arrive from overseas? Today, we can send emails and text messages in an instant. Trips overseas used to take weeks or even months, but today we can travel anywhere in a number of hours. A Changing World looks at the incredible inventions that have changed the world and discusses how changes in technology have affected our lives.

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