What makes a lava flow fast/slow?

or:What makes a lava flow fast/slow?or:I would say that the temperature of the lava would be one factor, another would be the amount of lava and the

or:What makes a lava flow fast/slow?

or:I would say that the temperature of the lava would be one factor, another would be the amount of lava and the duration of the lava flow. Also maybe if the volcano it was coming from is in a hot or cold location,or on land or under water.

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