Một chất điểm dao đông điều hoà với tần số 4 Hz . Thì chu kỳ của nó là

Bottle deposit programs are one way to encourage higher recycling rates. explain how they work

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What types of details should a draft of a research based essay contain? check all that apply-paraphrased information-information from questionable sources-facts that relate to the topic-quotations that illustrate ideas to convey-plagiarized information