The Haber-Bosch process is important because it is a
A) technique for fertilizing the ocean to increase productivity of ecosystems.
B) mechanism by which human activities alter the global nitrogen cycle.
C) process by which tropospheric ozone forms.
D) means by which oil and gas are extracted from geologic formations in the lithosphere.
B) mechanism by which human activities alter the global nitrogen cycle.
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_____ structures probably indicate descent from a common ancestor with modifications for different functions
a. Homologous
b. Analogous c. Vestigial d. Derived e. Primitive
The "hill" of water that occurs as a result of westward intensification due to the Coriolis effect is formed by _____
a. cold-core eddies b. warm-core eddies c. Ekman transport d. transverse currents e. countercurrents
Which of the following pairs of reactants is best suited for the synthesis of aspirin?
A) salicin and acetic acid B) salicylic acid and acetic acid C) salicin and acetic anhydride D) salicylic acid and acetic anhydride
Where is oceanic crust generated?
A) Along divergent plate boundaries B) Where volcanic lava meets the sea C) Where continents collide D) Where magma bodies are emplaced deep in the crust