A very massive object A and a less massive object B move toward each other under the influence of gravitation. Which force, if either, is greater?
A) the force on A
B) the force on B
C) Both forces are the same.
C
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This diagram shows magnetic stripes on either side of the midocean ridge. How many times did the magnetic field change polarity to form all of the stripes shown here?
A) Twice
B) Three times
C) Five times
D) Eleven times
Qualitatively, what happens to the hydronium ion concentration if you increase the hydroxide ion concentration?
A) The concentration of H3O+ stays the same but the ratio changes. B) The concentration of H3O+ increases but the ratio stays the same. C) The concentration of H3O+ increases to neutralize the excess hydroxide. D) none of the above
The two main elements in climate conditions are _________ and ________________.
-latitude; longitude -season; location -axis tilt; orbit -temperature; precipitation -elevation; topography
____________ is particles of organic or inorganic matter that accumulate in a loose, unconsolidated form. Fill in the blank(s) with the appropriate word(s)