Which of the following are differences between an eruption column and pyroclastic flow?
A) Tephra in an eruption column stays hotter until it reaches the ground.
B) A pyroclastic flow rises higher into the atmosphere than an eruption column.
C) Damage from an eruption column is more restricted than a pyroclastic flow.
D) A pyroclastic flow forms when the gas flux cannot support the column.
D) A pyroclastic flow forms when the gas flux cannot support the column.
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