Texting while driving is dangerous and has cost too many lives. , text messaging makes a crash twenty-three times more likely to happen. , teens who text and drive spend ten percent of their driving time outside their lane. , seventy-seven percent of people still believe that they can safely text while driving.

The sentences add several facts showing the dangers of texting while driving: crashes are more likely, teens drift outside their lane, and many people wrongly believe texting is safe. “In addition” signals that another supporting fact is being added. “On the other hand” and “However” would suggest a contrast that is not present.

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