Biological Magnification- phenomenon in which concentration of certain compounds in organisms of a food chain increases as you move up the food-chain.
We also talked about DDT which is the first synthetic pesticide which kills bed bugs but soon became a wide spread problem. Researchers soon found out that it causes cancer and caused environmental problems.
We then also talked about the GREENHOUSE EFFECT-
-Due to burning hydrocarbons(fossil fuels), rainforest destruction
-Amount of CO2 in the atmosphere increases
-Heat is normally reflected from the earth
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