What type of charge is carried by the biologically active portion of bile salts?
A) negative
B) none
C) positive
D) It varies from one bile salt to another.
A
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Chinook winds are
a. ?cold winds observed in Alaska. b. ?warm, dry winds that blow downslope in mountainous areas. c. ?tropical storms that are most common in Asia. d. ?the precursors of cyclones. e. ?cold winds found anywhere in the world.
Climatologists warn of a tipping point when global temperatures trigger unavoidable catastrophic events and sea levels rise more than 25 feet. What single event would cause the sea level to rise that much?
A) Increased precipitation over the continents B) Melting of the Greenland Ice Sheet C) Thermal expansion of the oceans D) Melting of the polar ice caps
Earthquakes, volcanoes, Benioff seismic zones, and island arcs are all associated with this sea floor feature.
A. abyssal plains B. oceanic trench C. passive margin D. seamounts E. guyots
The decay of radioactive atoms, coupled with heat released by colliding particles, produced at least some melting of Earth's early interior
Indicate whether the statement is true or false