Answer:
One thing missing would be the units of the rates and measurments
The independent variable is the light intensity and the dependent is the rate of photosynthesis
Explanation:
Bio accumulation of DDT lead to bird eggs with weak shells and non viable offspring. The lethal effects of DDT on birds was first noted in 1950; scientists discovered that earthworm was accumulating the DDT pesticide and that the robins that were preying on the earthworms were been poisoned. Further research revealed that the chemical cause thinning of the egg shell and production of non viable offspring. The chemical has since been banned in USA.
Vaccine immunization is the correct answer I really hope that this helps and
