Brianliest question! ♥ ben was conducting an experiment on the growth of pea plants ben added fertilizer to some plants and no fertilizer to others. he made several observations about the plants as they were growing. quantitative data or observations mean that you measure something. which observation made by ben is quantitative? a) each pea pod grew 5 centimeters in a week. b) the pea plants that were given fertilizer grew taller. c) the pea plants that received fertilizer were greener.