Biology, 11.06.2021 23:00 phillipselijah2
A student builds a model to show how pollutants move through an ecosystem
when the student sprays water onto the model, red color appears in the cloth and
in the water in the middle layer of marbles. Which part of the model represents
pollutants used by humans
Red powdered paint
Layer of sand
Thick cloth
Marbles
Answers: 2
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Answers: 1
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Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.
Answers: 1
A student builds a model to show how pollutants move through an ecosystem
when the student sprays w...
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