40 POINTS AND BRAINLIEST PLS HELP After hearing about an oil spill, Natalia decides to investigate how oil may affect birds in aquatic ecosystems. She gets some bird feathers. She takes the mass of one, dips it in oil, then takes its mass again. The images show the bird's feather before and after being dipped in oil.
dry feather and feather-covered in oil
The table gives the mass of the feather before and after being dipped in oil.
Before Oil After Oil
Mass 1.1 g 4.5 g
Describe how the mass and the appearance of the feather changed because of the oil. Can Natalia clean off the feather using water? Predict what will happen if Natalia dips feathers covered in oil in either cold water or in hot water.
Answers: 3
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40 POINTS AND BRAINLIEST PLS HELP After hearing about an oil spill, Natalia decides to investigate h...
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