Which number completes the balanced chemical equation showing the process of rusting? 4Fe + 3O2 ---> Fe2O3

A. 1

B. 2

C. 4

D. 12

Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

There is a single path for electrons. the current decreases when additional resistors are added. the current will be the same in each resistor. these statements best describe a(n) circuit.