oil is a precious non renewable resource american consumers use oil products as fuel for vehicles and in the plastics they use daily what solutions are engineers in the auto mobile industry designing to solve the problem of increasing oil prices and depleting oil reserves

Ascience research group is testing a new type of plant food. one trial is conducted in a controlled experiment. the data from the trial show that the plant that received the new food grew faster than the control plant. the group announces that the new plant food makes plants grow faster. what is the main weakness in this scientific claim?