Answer
d. Peas and carrots
Step-by-step explanation
A solution is a homogeneous mixture of one or more solutes dissolved in a solvent. A solvent is the substance in which a solute dissolves to produce a homogeneous.
The term solution is commonly applied to the liquid state of matter, but solutions of gases and solids are possible.
Therefore;
a. A nickel-alloy coin is an example of a solution.
b. A carbonated drink is an example of a solution.
c. Carbon monoxide gas in air is an example of a solution
d. Peas and carrots is NOT an example of a solution