Biology, 23.02.2021 20:00, kyleemarie2003
The student added some iodine solution to the water in the test-tube.
After 30 minutes at room temperature, the contents of the Visking bag were stained blue-black, but
the water outside remained a yellow colour
(a)
(1) Explain these results.
Answers: 3
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As a result of wildfires, in grasslands. a) tree growth increases b) grass growth increases c) soil quality decreases d) invertebrate variety decreases
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Answers: 1
The student added some iodine solution to the water in the test-tube.
After 30 minutes at room temp...
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