Amarine scientist observes that fish are found at higher concentrations closer to the coast of california than farther out in the pacific ocean. she concludes the fish populations are always large close to the coasts throughout all oceans. why is this an invalid scientific conclusion?
a. she needs less data to draw conclusions.
b. scientists should repeat this experiment at different sites to draw conclusions.
c. scientists require laboratory-based experiments to draw conclusions.
d. scientists always need long-term observations to draw conclusions.