What type of eruption formed the volcano in this photograph?
A. viscous lava and pyroclastic eruptions
B. fissure eruptions
C. fluid lava flows
D. eruptions beneath the seafloor
E. lava fountains
Answer: A
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You could swallow a capsule of germanium, Ge (atomic number 32), without significant ill effects. If a proton were added to each germanium nucleus, however, you would not want to swallow the capsule because the germanium would
A. expand and likely lodge in your throat. B. become radioactive. C. become arsenic. D. have a change in flavor.
You are visiting a nature preserve in Costa Rica with a classmate. Your companion comments on the bright colors and beauty of many species of frogs and insects that you encounter on your excursion
Explain to this person the function that the bright colors serve in the context of ecosystem functioning. What will be an ideal response
Lowering of sea levels is not one of the possible consequences of global warming predicted by
climate models. a. true b. false
The vast open ocean is dominated by picoplankton that are efficiently grazed by ________.
A. heterotrophic dinoflagellates B. ciliates and tintinnids C. whales D. copepods