The given reaction above is an example of <em>single replacement reaction. </em>This is a certain type of reaction in which an element of a compound is replaced by a free element. In this case, chlorine (Cl) is replaced by calcium (Ca).
I think the correct answer from the choices listed above is option B. It is the electrons that flow because of electrical attraction and repulsion causes an electric current in a wire. Electrons, which continuously move in wire, are called Electric Current. Hope this answers the question.
2 is the answer so mark it
I'm guessing they rounded because it is technically 2.998 X 108 miles/hour
so I would go with true!
Explanation:
Below is an attachment containing the solution
