The original volcano Mount Mazama erupted to form Crater Lake, Oregon.
Answer the following statement true (T) or false (F)
True
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Whales that die and fall to the depths of ocean are consumed by giant isopods. These relatives of the common roly poly (or pill bug) grow about a foot in length and are about the size of a football. Which type of aquatic organism is this creature?
A. decomposer B. producer C. consumer D. plankton
A persistence forecast for temperature in Montreal on the following morning would be
A) temperature -13, dew point -16. B) temperature -16, dew point -13. C) temperature -8, dew point -19. D) temperature -19, dew point -8.
Evaluate the following statement. "Coastlines are straighter when they result from relative sea-level rise than when they result from relative sea-level fall."
A) This statement is true. B) The statement is false. Sea-level fall results in straighter coastlines than sea-level rise. C) The statement is sometimes true, but depends on the type of rock involved in each case. D) The statement is sometimes true, but depends more on barrier islands than on the rise and fall of the sea. e
Abundant light and constant nutrient input make ________ among the most productive ecosystems on Earth
A) estuaries B) lakes C) fens D) streams E) bogs