How did seafloor spreading suggest a driving force for continental drift?
A) Youngest seafloor is found near continents.
B) Seafloor spreading pushes continents.
C) Mantle convection causes irreversible slippage.
D) Subduction creates the youngest seafloor.
Answer: B
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If inflation really occurred, then our observable universe is only a tiny portion of the entire universe born in the Big Bang
Indicate whether the statement is true or false
If there had never been any galactic collisions, all galaxies today would probably be ________
Fill in the blank(s) with correct word
An object is moving with constant velocity in a straight line. Which of the following statements is true?
A) A constant force is being applied in the direction of motion. B) A constant force is being applied in the direction opposite of motion. C) There are no forces acting on the object. D) The net force on the object is zero. E) There is no frictional force acting on the object.
The restriction that no more than one electron may occupy a given quantum state in an atom was first stated by which of the following scientists?
a. Bohr c. de Broglie b. Pauli d. Heisenberg