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law of conservation of mass states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time,
Diversity of wildlife safari and Ecology of grassland savanna, Silhouette of wildlife family, Environmental and Wild animals conservation, National park in Africa, Eco friendly and World wildlife day.
Water Resource Management Icon – A Drop of Water with a Recycle Symbol for Conservation
Illustration of mass conservation in chemical equations
Semi-Conservative DNA Replication. Scientific diagram.

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