Which of the following events may have contributed the most to the decline of fertility rates in the United States after 1963?
A) The Vietnam war
B) Improved methods of family planning
C) The Civil Rights movement
D) The lowering of the voting age to 18 years old in 1971
B
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The Internet and the Internet of things emerge from cultural practice and affect cultural practice
Indicate whether this statement is true or false.
The ______-_______ ________ is a transportation highway running from United States / Mexican border to Panama
Fill in the blank(s) with correct word
A ________ is a near surface, intrusive igneous rock body that results from local inflation of a horizontal sill
A) batholith B) volcanic neck C) laccolith D) dike
Oil shale
A. contains a waxy solid called kerogen. B. is rich in a tarry, asphalt-like oil. C. is very rare in the United States. D. can be developed by using warm water to extract the oil from the rocks without mining.