The "baby boom echo," represented by people who are 24 to 33 years old in 2014, is the result of
A) increased fertility of the baby boom generation.
B) reduced infant mortality rates.
C) reproduction of the baby boom generation.
D) increased use of birth control in the 1970s.
C
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The change of state from a gas to a liquid is called
evaporation sublimation condensation melting
The generation of nuclear powered electricity ____.
A. requires construction of inexpensive nuclear power plants B. provides fuel that produces low CO2emissions C. disrupts more land than coal mining D. produces a negative net energy yield E. does not rely on subsidies
How does enriched uranium differ from naturally occurring uranium?
A) Naturally occurring uranium contains 1% 238U, while enriched uranium contains 3-5% 238U. B) Naturally occurring uranium contains 1% 235U, while enriched uranium contains 3-5% 235U. C) Naturally occurring uranium is mostly 235U, while enriched uranium is mostly 238U. D) Naturally occurring uranium is mostly 238U, while enriched uranium is mostly 235U.
Size and Shape of Earth
What will be an ideal response?