Over millions of years of

PLEASE HELP!!!!1. How many millions of years ago did sharks first appear? (Make sure you are looking for animals that only have
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2. asked by Kim
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When were fossil fuels formed(1 point)Responses less than 100 years ago less than 100 years ago hundreds of years ago hundreds
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2. asked by Trust Me I'm A !NERD!
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When were fossil fuels formed(1 point)Responses less than 100 years ago less than 100 years ago hundreds of years ago hundreds
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2. asked by kitkat
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When were fossil fuels formed?(1 point)Responses tens of years ago tens of years ago millions of years ago millions of years ago
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2. asked by kitkat
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When were fossil fuels formed?(1 point)Responses tens of years ago tens of years ago hundreds of years ago hundreds of years ago
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When were fossil fuels formed?(1 point)Responses tens of years ago tens of years ago tens of billions of years ago tens of
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2. asked by I hate math
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When were fossil fuels formed?(1 point)Responses millions of years ago millions of years ago tens of billions of years ago tens
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When were fossil fuels formed?(1 point)Responses tens of billions of years ago tens of billions of years ago tens of years ago
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2. asked by able
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When were fossil fuels formed?(1 point)Responses tens of years ago tens of years ago millions of years ago millions of years ago
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2. asked by WitherRosesNeverDie
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When were fossil fuels formed?(1 point)Responses hundreds of years ago hundreds of years ago millions of years ago millions of
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