Prosimian populations were greatly affected by the change from warm tropical to cooler mid-latitude climate in the
early Cenozoic.
a. True
b. False
True
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How might you distinguish a sodium-vapor street lamp from a mercury-vapor street lamp?
A. The shadows cast from a sodium-vapor street lamp tend to be more diffuse around the edges. B. Ask your local utility company to identify these lamps for you. C. Look at the street lamps through a spectroscope and match their spectral patterns to their respective atomic spectra. D. Use binoculars to look for printing adjacent to the bulb.
How can injection of liquid wastes cause earthquakes?
A) it increases fluid pressure and reduces friction B) it increases the rate of seismic strain accumulation C) it causes fractures to form in metamorphic and igneous rocks D) it increases the slip rate of the faults
Human activity has affected every aspect of the nitrogen cycle. List the ways that humans have altered nitrogen content starting with how nitrogen becomes available to producers, where it goes, and what impacts it has
What are the ecological concerns regarding the dramatic changes people have made in the global nitrogen cycle?
Regional elevations on land are primarily controlled by
A. whether the area is over a hot spot. B. the thickness of continental crust. C. the temperature of the crust. D. whether the crust is old or was formed more recently.