Earth's inner core is composed of:
a. molten lava.
b. molten copper and nickel.
c. solid basalt.
d. solid iron and carbon.
e. solid iron and nickel.
E
Environmental & Atmospheric Sciences
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Electrons Isotopes Neutrons Protons
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How many sieving portions are associated with an aminoacyl-tRNA synthetase?
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The Ancestral Rockies formed via continental-continental collision along the western margin of North America
a. True b. False
Environmental & Atmospheric Sciences