The ________ cycle is most dependent on a variety of types of bacteria that shift the element among several different chemical forms.
A. sulfur
B. nitrogen
C. phosphorus
D. carbon
Answer: B
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Which set of islands is entirely in the Lesser Antilles?
A) Cuba, Barbados, Dominica
B) St. Lucia, Dominica, Hispaniola
C) St. Lucia, Cuba, Jamaica
D) St. Lucia, Martinique, Dominica
E) Cuba, Jamaica, Puerto Rico
Mid-ocean ridges are higher than surrounding oceanic crust primarily because:
a) two plates are colliding b) the crust is thicker c) the crust is stronger d) transform faulting uplifts the rocks e) lithosphere is thinner and hotter
____________________ ____________________ examines the similarities and differences of a set of predictions that come from similar initial conditions
Fill in the blank(s) with correct word
Scientists use ________ to forecast climate change
A) historical data B) computer simulation models C) statistics D) political mandate E) CO2 concentrations