Which of these high-quality energy sources drives the majority of chemical cycling that takes place in natural ecosystems?
A. solar
B. geothermal
C. nuclear
D. fossil fuels
Answer: A
You might also like to view...
Discuss the geological resources of the Eocene Green River Formation and how they formed. What will be an ideal response?
Outline the history of the Alpine-Himalayan belt. What will be an ideal response?
What information do you need to calculate the pressure (weight) of a column of rock? Calculate the pressure at the base of oceanic and continental crust for columns of rock that are one square meter in area at the surface
What will be an ideal response?
What allowed human and animal migration to occur from Asia to North America?
a. a warm spell called the Bölling-Alleröd period b. the Eemian interglacial period c. retreat of continental glaciers d. the Bering land bridge e. melting of the polar ice caps