The flow of electricity is an electric current. The path that an electric currents floes is a circuit.
Answer: nebula
Explanation: All stars start off in a large cloud of dust and gas which is called a nebula.
Answer:
(40 g O) / (15.99943 g O/mol) x (1 mol CaCO3 / 3 mol O) x (100.0875 g CaCO3/mol) =
83 g CaCO3
So answer D), although three significant digits are not justified.
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