What is a stratavolcano?
A composite volcano.
A volcano that has sticky lava.
A volcano with about half rock and half lava.
All of the above.

	What is ASTER?
A Radiometer on the Terra satellite
An Odometer on the Terra satellite
An Alienometer on the Terra satellite

	What does ASTER have to do with volcanoes?
Nothing, they’re both just cool.
ASTER captures data about changes in volcanoes.
ASTER makes dormant volcanoes erupt.

	How else can scientists use ASTER?
To study changes in glaciers
Identifying crop stress
Both a and b
None of the above