When particles in the solar nebula grew large enough, they stopped growing by accretion and began growing by condensation
a. True
b. False
Indicate whether the statement is true or false
False
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Atomic nuclei of almost all elements consist of
a. only neutrons b. protons and electrons c. neutrons and electrons d. only protons e. protons and neutrons
Metric System: The quantity 0.00325 × 10-8 cm is equivalent to
A. 3.25 × 10-12 mm. B. 3.25 × 10-11 mm. C. 3.25 × 10-10 mm. D. 3.25 × 10-9 mm. E. 3.25 × 10-8 mm.
Two long parallel wires carry unequal currents in the same direction. The ratio of the currents is 3 to 1 . The magnitude of the magnetic field at a point in the plane of the wires and 10 cm from each wire is 4.0 ?T. What is the larger of the two currents?
a. 5.3 A b. 3.8 A c. 4.5 A d. 3.0 A e. 0.5 A
Earth's rotation axis ____________________ slowly so that in a few thousand years Polaris will no longer be the North Star
Fill in the blank(s) with correct word