Explanation:
density = mass/volume so volume = mass/density = 40/4.30
The answer is B because <span>It would be useful to memorize that sentence. Once you know that, you can figure out whatever else happens at the anode, the cathode, in the solution, and in the external circuit.</span>
Answer- The particles in a solid gain enough energy to overcome the bonding forces holding them firmly in place. Typically, during melting, the particles start to move about, staying close to their neighbouring particles, then move more freely.
If you are in the zone, you are happy or excited because you are doing something very skilfully and easily.
