Earth's core is made mostly of
A. silicon and oxygen.
B. iron and nickel.
C. silicon and magnesium.
D. iron and magnesium.
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Ответ:
iron and nickel
Explanation:
Deep inside the Earth's core, near the center is iron and nickel.
Ответ:
Answer and Explanation:
The reactants and products determine the type of chemical reaction. If there are more products than reactants, then it is a decomposition reaction. If there are more reactants than products, it is a synthesis reaction.