Answer:
The Answer is <u>A</u>
A: by explaining why working together is necessary for success.
Here, the definition is given and asked for a word that is defined.
The rearrangement of atoms by breaking and reforming chemical bonds is called a chemical reaction.
Hence, "chemical" is the missing word.
A <u>chemical</u> reaction is the rearrangement of atoms by breaking and reforming chemical bonds.
actually you can.....because your money will be returned back to you