During ice ages, sea level ________
a. falls
b. remains the same
c. rises
d. none of these choices
a
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The neon atom tends not to lose any electrons because
A. the ionization energy is so high. B. that would result in a negative ion. C. of its relatively strong effective nuclear charge. D. its electrons are paired together within the same orbitals.
Most of the atoms in the universe are thought to be
A. helium. B. about equal amounts of hydrogen and helium. C. hydrogen. D. elements unknown at present. E. iron.
Cells of the ____ domain are larger than those of the ____ domain
A) ?Bacteria; Archaea B) ?Bacteria; Eukarya C) ?Archaea; Bacteria D) ?Eukarya; Bacteria
Aerosols are
A. The principal gas involved in global warming B. Gases produced by industry C. Tiny particles and droplets suspended in the air D. Tiny droplets of a very specific chemical composition E. The principal gas involved in the greenhouse effect