Ruben has a new puppy named Paddington and wants to feed him the best possible food. He decides on an experiment where he will feed Paddington the very best canned food plus a dietary supplement of vitamins recommended by a veterinarian. Which of the following best describes Ruben's project?

This not an experiments - there is no control or replicates

Explanation:

Experiments: The experiments that can be defined as a procedure that carried fr the hypothesis to be rejected, accepted or validated. It focuses on the cause and effect of a study in which the researcher demonstrates that when a particular variable manipulate then what happened to the experiment. It depends on the logical and reliable aspects of the study. Experiments include control over the study so that can reduce the variability of the experiments and increase the reliability of the experiment. It compares the control group and experiment group. It is an empirical method and arbitrates the hypotheses and models.