If the population of a country doubles every 25 years, a 1980 population of 10 million will reach 80 million in the year

a. 2005.
b. 2030.
c. 2055.
d. 2080.
e. 2105.


D

Physics & Space Science

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Which of the following procedures does not apply to the deformation processing of thermoplastic polymers?

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When the position of a simple harmonic oscillator is equal to A/2, where A is the amplitude, the kinetic energy is:

A. (3/4)
B. (1/4)
C. (3/8)
D. (1/8)
E. (1/2)

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What two energy transport mechanisms, in order from outside the core to the surface, is found in the Sun?

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In an isolated system of two bodies that exert gravitational forces on one another, the quantity (quantities) that remain(s) constant is(are)

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