Use the above diagram of the ocean floor to answer the following question.Which margin is an active continental margin?
A. Margin A
B. Margin B
Answer: A
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According to the Stockholm Environment Institute, which of the following boundaries on which human survival depends may have already been crossed by humans?
A) Ocean acidification and stratospheric ozone depletion B) Freshwater use and chemical pollution C) Climate change, biodiversity loss, and nutrient cycle disruptions D) Land system change, chemical pollution, and ozone depletion
What divides European Russiafrom Siberia?
A) the Ural Mountains B) the eastern border of Ukraine C) the center of Siberia D) a line running from the Baltic to the Adriatic E) along the trans-Siberian railroad
Which of the following solutions will have the higher electrical conductivity?
A) 0.1 M NaCl B) 0.2 M NaCl C) Both a and b have the same conductivity. D) Neither conducts electricity.
________ are records of seismic waves
A) Seismographs B) Seismograms C) Seismometers D) Seismic relays