environmental scientist collecting water sample from river |
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| navigate by keyword : water sample sampling test testing analysis research science environment nature river stream ecology scientist ecologist biologist researcher technician inspector chemist environmentalist hand hands gloves bottle vial jar glass container equipment latex protective clear clean fresh pure purity creek brook lake outdoor natural pebbles stones rocks riverbed bottom aquatic plant algae seaweed green sunlight day flow flowing ripple collecting taking gathering checking inspecting examining measuring monitoring studying environmental ecological quality pollution |
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| A close-up of a scientist's hands in protective latex gloves collecting a water sample from a clear, shallow river. The sample is being taken in a small glass vial for analysis and quality testing. The sunlit riverbed is visible with smooth pebbles and green aquatic plants, illustrating concepts of environmental monitoring, ecological research, conservation, and checking for water purity and pollution. |
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