What almost always represents the surface of the lithosphere?
A. regolith
B. bedrock
C. soil
D. crust
E. pedogenesis
C
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Which of the following is not characteristic of desert plants?
a. widespread, shallow root systems b. deep root systems c. large leaves that droop in the bright sunlight d. succulent leaves or stems e. becoming dormant during dry periods
The salinity of seawater remains constant because
A) salts are removed from seawater about as fast as they are deposited. B) salts are included in the molecular formula of seawater. C) salts no longer form in the ocean. D) salinity measurement technology is unreliable.
The two main categories of igneous rocks are ____________________ and ____________________
Fill in the blank(s) with correct word
What is the formula of the compound formed by calcium and fluorine?
A) CaF B) CaF2 C) CaF3 D) Ca2F