A ________ is a piece of older 'country rock' that was enveloped in an intrusion but not completely melted.
A. batholith
B. xenolith
C. sill
D. volcanic neck
Answer: B
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________ is the world's most populous nation, home to ________ of the people living on Earth
A) The United States; one-fifth B) China; one-fifth C) China; half D) India; one-third E) The United States; half
Normal oil withdrawal methods can leave as much as 95% of the total oil in the ground. Indicate whether the statement is true or false
Deltas grow larger through the process of ____
a. continental accretion b. transitional wedging c. marine encroachment d. progradation
e. degradation__________ are the main attraction of the region driving the economic forces that determine the development patterns of individual countries.
a. Mountain ranges b. Natural resources c. Expansive steppes d. Agricultural products e. Tourist destinations