Give reasons. c) Cells differ in shape and size. Cell is considered as the functional unit of life. Mitochondria are known as the power house of Leaves of plants are green. – Hydra is a multicellular animal. Amoeba is advantageous also

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He says that we must never forget what happened, and that forgetting such a terrible crime against humanity would be like being accomplices in the crime itself. we must forever keep it in our memories. he was referring to the holocaust.