Answer:
A
Explanation:
Surface currents are caused by the major wind belts.
Deep currents are formed when surface waters are cooled, become denser and sink below the surface.
<span> Iron and oxygen react to </span>form<span> iron(III) oxide:
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4 Fe(s<span>) + </span>3 O₂ (g) → 2 Fe₂O₃ (s<span>)
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This type of chemical reaction is a "<u>synthesis</u>" reaction
(forms a "metal oxide" product).
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Did you hear about the claustrophobic astronaut?
Answer:
A family is a vertical column .
The elements in a family have similar chemical properties.
