What are the three major layers of Earth from its center to its exterior?
a. core (an iron-nickel alloy), mantle (which is composed mainly of peridotite), and crust (with a granitic or basaltic composition)
b. core (which is composed mainly of peridotite), mantle (with a granitic or basaltic composition), and crust (an iron-nickel alloy)
c. crust (with a granitic or basaltic composition), mantle (which is composed mainly of peridotite), and core (an iron-nickel alloy)
d. crust (an iron-nickel alloy), mantle (which is composed mainly of peridotite), and core (with a granitic or basaltic composition)
e. mantle (an iron-nickel alloy), core (which is composed mainly of peridotite), and crust (with a granitic or basaltic composition)
a. core (an iron-nickel alloy), mantle (which is composed mainly of peridotite), and crust (with a granitic or basaltic composition)
a. core (an iron-nickel alloy), mantle (which is composed mainly of peridotite), and crust (with a granitic or basaltic composition)
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