ella's town has a pool for older kids to swim and a small wading pool for parents to bring smaller children to play. after a cold rainfall, the older kids jumped right back into the larger pool . but all of the parents bought their smaller children home because the water was too cold. how could ella model this are for her classmates?

a.) place a larger container of warm water next to a small container of cold water.
b.) add a small amount of cold water to both a large and small container of warm water.
c.) add several ice cubes to a large container of water and one ice cube to a smaller container.
d.) place models of older kids in a large container of water and models of smaller children in a smaller container of water.