Drainage basins are ________ systems
A) open
B) closed
C) open in terms of energy, closed in terms of matter
D) closed in terms of energy, open in terms of matter
A
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Why is the SOFAR layer efficient for sound travel?
a. Refraction causes the sound energy to remain within the layer. b. The density of the SOFAR layer traps the sound energy. c. Sound energy bends away from layers of lower sound velocity. d. Temperatures and salinity conditions are homogeneous. e. Sound travels rapidly in this layer.
Tornadoes generally form ____ of a thunderstorm cloud
a. at the trailing edge b. in the center c. at the leading edge d. at the windward edge e. at the leeward edge
True or False: Geologists use a single tool to gather information about Earth
Indicate whether this statement is true or false.
Explain the role of pollinators in agriculture, and describe two reasons for the global declines in pollinator populations
What will be an ideal response?