____________________ were short or long-necked marine reptiles that gave birth to live young. Fill in the blank(s) with the appropriate word(s)
Plesiosaurs
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If we need to consult population profiles of a nation, in every census the width of each bar in the profile is adjusted to include a measure of the
A) total fertility of the age group. B) age of first reproduction in the age group. C) mortality, aging, and births within the age group. D) size of the family of women of reproductive age.
The interpretation of a halo around the Moon as a sign of impending rain (or snow) stems from:
A) the geometry of the Moon's size and distance. B) halos being present only when clouds are thick. C) a false weather proverb. D) the association of cirrus clouds with cyclonic storms.
Varanasi is a city at the crossroads of geography and religion because it is the location of the:
A) sacred Ganges River B) library of Upanishads, the sacred Hindu writings C) place where the Mohammed ascended to heaven D) remains of St. Thomas
The value of a resistor that carries 2 A when connected to 10 V is
A. 20 ohms. B. 2 ohms. C. 5 ohms. D. 10 ohms.