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Bonus Question – How do the compositions of rocky and gaseous planets differ?

True or False; Around most of the Atlantic the continental slope descends into an oceanic trench and associated volcanism, but around the Pacific the continental slope merges with a more gently sloping continental rise?

Fossil evidence linking the Gondwana continents includes the:

Plate tectonic processes have influenced:

Bonus Question –  Isotopes of the same element have:

Which is NOT associated with a mid-oceanic ridge? 

The Big Bang took place approximately ____ years ago.

True or False; The best characteristic to use when identifying minerals is color?

Bonus Question –  The composition of the mantle is:

True or False; Specified gravity is a special property used to identify the tensile strength of silicate minerals?