Answer:
A force is a push or pull upon an object resulting from the object's interaction with another object.
Explanation:
C. The heating element on a stove turning from black to orange
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Lithium metals reacts slowly with water to form a colourless solution of lithiums hydroxide (LiOH) and hydrogen gas (H2). The resulting solution is basic because of the dissolved hydroxide. The reaction is exothermic, but the reaction is slower than that of sodium (immediately below lithium in the periodic table)