A reasonable goal is to reduce global population growth by year ____ to level off around ____ billion.
A. 2040; 8 billion
B. 2020; 8 billion
C. 2040; 13 billion
D. 2020; 6 billion
E. 2060; 5 billion
Answer: A
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A social movement dedicated to protecting the earth's life support system for all forms of life is called ____________________.
Fill in the blank(s) with the appropriate word(s).
Transform boundaries
A) involve no destruction or creation of new crust. B) occur near subduction zones. C) involve destruction of crust as one plate slips beneath another. D) involve creation of crust as two plates collide.
An irregular coast with bays separated by headlands can be straightened by plate tectonic forces.
Answer the following statement true (T) or false (F)
An example on Earth of a rift valley is
A) the Andes Mountains of South America B) the San Andreas fault of California C) the Red Sea between northern Africa and Saudi Arabia D) Iceland E) the Mariana Trench