About how long ago did our solar system start to form?
A:About 5 million years ago
...
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Biology, 24.03.2020 23:11 wcraig1998
About how long ago did our solar system start to form?
A:About 5 million years ago
B:About 14 million years ago
C:About 5 billion years ago
D:About 14 billion years ago
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