The EEF shown is incorrectly drawn because
A. It curves toward the axis in a forbidden region or away from the axis in an allowed region.
B. Its wavy part doesn’t have the right number of bumps.
C. The amplitude of the wavy part varies incorrectly.
D. The wavelength of the wavy part varies incorrectly.
E. One of the exponential-like tails has the wrong length.
A. It curves toward the axis in a forbidden region or away from the axis in an allowed region.
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Astronomers believe that Pluto was pulled into the Solar System by Neptune. The hypothesis is supported by the fact that Pluto and Neptune have a 3:2 orbital period ratio.
Answer the following statement true (T) or false (F)
Saturn's bands, oval storm systems, and turbulent flow patterns are powered by:
A) convective motion and rapid rotation. B) the Greenhouse Effect. C) a liquid metallic hydrogen interior. D) the fusion in Saturn's core. E) the tides of Titan.
The average mass assigned to one atom of a
naturally occurring element is referred to as a)the atomic mass. b)the reaction mass. c)the formula mass. d)the chemical mass.
Based on our current theory of Earth's formation, the water we drink comes from
A) ice that condensed in the solar nebula in the region where Earth formed. B) chemical reactions that occurred in Earth's crust after Earth formed. C) chemical reactions that occurred in Earth's core after Earth formed. D) material left behind during the giant impact that formed the Moon. E) comets that impacted Earth.