Most damage when a volcano like Mt. St. Helens erupts results from
A. blowdown by the blast (shock wave).
B. fast-moving lava flows.
C. extensive lava flows.
D. pyroclastic flows and floods in valleys.
Answer: D
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The longing and ongoing attachments that a migrant may have to her home land is an example of
A) topophilia. B) usufruct. C) semiotics. D) landscapes of power. E) ethology.
________ metamorphism will occur where two blocks of rock are grinding against each other
A) Impact B) Regional C) Hydrothermal D) Fault zone
The most common use of bioremediation has been to assist in the cleanup of ________
A) non-biodegradable chemicals B) herbicide and pesticide over-application C) PCBs D) oil spills E) heavy metal contamination sites
The Milky Way galaxy contains > 300 billion of stats, and the whole Universe contains > 100 billion of galaxies.
a. true b. false