This is the last question i need your help please thank you For a laboratory investigation some students put a strip of shiny metal into a beaker of blue solution and then stored the beaker on a shelf overnight. The next morning, the students recorded observations about the metal and the solution in the box below.

Based on theri observations, can the students correctly conclude that a chemical reaction occurred?

A.) No, because the material strip was still visible.
B.) Yes, because a new material of a different color formed on part of the metal strip
C.) No, because the solution stayed blue
D.) Yes, because the volume of the blue solution stayed the same