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