The Ring of Fire is famous among geologists because
A. 55% of the world's volcanoes occur here.
B. 90% of earthquakes and 75% of the world's volcanoes occur here.
C. 75% of the world's hurricanes occur here.
D. 80% of earthquakes occur here.
Answer: B
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Which of the following describes the warm conveyor belt?
A. It is very dry. B. It has few clouds associated with it. C. It contains stratospheric ozone. D. It rises above the warm front.
Marine invertebrates that require normal ocean salinity to survive will experience a fluid imbalance if exposed to
freshwater. The organism has been affected by a(n) ____________ ____________ of that environment. Fill in the blank(s) with the appropriate word(s).
Arrange the following life forms in their order of appearance on Earth from first to appear to last to appear.
A. birds, flowering plants, reptiles, dinosaurs, fishes B. fishes, reptiles, dinosaurs, birds, flowering plants C. reptiles, dinosaurs, fishes, birds, flowering plants D. dinosaurs, reptiles, flowering plants, fishes, birds E. flowering plants, reptiles, fishes, dinosaurs, birds
The use of global-scale technological fixes to counter climate change by either removing greenhouse gases from the atmosphere or by changing the amount of sunlight that reaches Earth is called ____
a. the Kyoto Protocol b. geoengineering c. radiative forcing d. radiative equilibrium e. plate tectonics