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Which of the following is NOT a lava flow surface feature?
Blocky
Pahoehoe
Spiky
Which lava flow has a jagged, clinker, and rubbled surface?
A'a
Rubbly Pahoehoe
What is the tearing of a`a lava compared to?
Toffee
Taffy
Ketchup
Are a`a lava flows typically associated with eruptions that rapidly or slowly extrude lava?
Slowly
Rapidly
Which of the following planetary bodies does NOT have lava flows?
Saturn
Venus
Jupiter's moon, Io
Earth
Mars
Which analog site on Earth do scientists go to study Martian lava flows?
Idaho
Antarctica
Iceland
Canada
What information does RADAR tell us about lava flows?
Length
Color of the lava
Surface features/roughness
