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Summit 2_Unit 9
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Computer chips were developed.
If computer chips hadn't been developed, smartphones would never have been invented.
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Effective cancer-fighting drugs weren't invented yet.
If effective cancer-fighting drugs had been invented, lots of people would/could have been saved.
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Electricity was discovered in the 17th century.
If electricity hadn't been discovered in the 17th century, other related discovered wouldn't have been made.
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Operations aren't always performed by robots.
If operations were always performed by robots, there would never be any surgical errors.
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Antibiotics weren't discovered until 1928.
If antibiotics had been discovered before 1928, thousands would/could have been saved.
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The plane was invented in the early 1900's
If the plane hadn't been invented in the early 1900's, modern travel would be different.
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Written language was developed thousands of years ago.
If written language hadn't been developed thousands of years ago, we would have lost much of our history.
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The dinosaurs were made extinct
If the dinosaurs hadn't been made extinct, we wouldnt have evolved to where we are today.
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Genetic engineering isn't prohibited.
If genetic engineering were prohibited, food would be a lot safer.
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Chips aren't implanted in our bodies at birth.
If chips were implanted in our bodies at birth, it would be harder to steal our identity.
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Human cloning isn't permitted.
If human cloning were permitted, we might/could/would have doubles walking around.
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Okay!
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