Paleoclimate studies require that scientists find paleoclimate ________, materials that have retained a unique signature of the ancient climate conditions.
A. models
B. air bubbles
C. proxies
D. records
Answer: C
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Commercial companies have considered large-scale ocean fertilization with all of the following to create phytoplankton blooms except ________.
A. iron B. silica C. urea D. phosphorus
The solar nebula theory of the formation of the solar system accounts for the differences in composition between the terrestrial and Jovian planets
Indicate whether the statement is true or false
In this wooded region that was once pasture, a mature forest of towering oaks and hickory trees eventually takes over
However, change is still apparent, as a large patch of young shrubs and small trees are growing where several large trees were toppled by a storm several years ago. Collectively, this wooded region represents A) a climax ecosystem with periodic natural disturbances. B) primary succession. C) a sustained biome. D) a microclimate.
Prevailing westerly winds cause easterly currents.
Answer the following statement true (T) or false (F)