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Biology, 22.06.2019 06:20
You see a white marker with an orange circle and black lettering. what does this marker tell you
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Biology, 22.06.2019 09:30
Juan and carol were studying invertebrates in biology. they knew that segmented or earth worms preferred a dark, moist habitat. during this lab, they would be investigating the responses of organisms called planaria or dugesia tigrina. these were simple flatworms that still had a one-way digestive system and a very simple nervous system. juan and carol placed the planaria in a petri dish containing cool, distilled water that was partially covered with black paper. they shined a light on the dish. next, they removed the paper and placed a small amount of chicken liver at one end of the dish. they added a few large salt crystals to the water. finally, they added drops of hot water to the cool water in the petri dish. their results can be seen in the data table. according to their experiment, all but one conclusion is valid.
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Biology, 22.06.2019 17:20
What is an example of a scientific question that galileo could not have answered with out this new tool?
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Biology, 23.06.2019 00:00
Humans have to eat food to get the nutrients that keep us alive, but plants use the sun to power photosynthesis
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Norder for radiation to transfer heat, a. electromagnetic waves must be transmitted b. objects must...
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