120 ? i don’t know if that’s right but i multiplied 10 by 12 to get it
a substrate binds to an enzyme at the active site, where the reaction occurs.
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.
Answer:
Explanation: The first Australopithecus fossil was found in a lime quarry at Tuang, it was found by Raymond Dart in November 1924.
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