Youtube activity of "Mark Svetz" (@Marco90731) on "Spark" channel.
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UC8v7n_6Tt5dF7eydUUZ3eiQ
Commenter youtube id
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Mark Svetz
Commenter name
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@Marco90731
Commenter name id
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"The Largest Tornadoes In Recorded History | Mega Disaster | Spark"
Comments by video
"The Terrifying Reason Why Tornadoes Are Changing | Naked Science | Spark"