The theory of plate tectonics affirms that a. the earth’s outer shell is one solid piece of rock. b. the basic arrangement of oceans and continents is unchanging. c. large moving slabs of rock slide slowly over a layer of the mantle. d. the landscape of the ocean is the same as that on earth.

Compare the quantity in column a with the quantity in column b. pa p a is tangent to the circle at a. column a column b ap a p ax a x question 4 options: the two quantities are equal. the quantity in column a is greater. the relationship cannot be determined from the information given. the quantity in column b is greater.