Biology, 19.02.2021 01:10 PLEASEHELP4528
You find a rock sample with radioactive atoms present. 25% of the original radioactive atoms were present, how many half lives have passed
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Biology, 21.06.2019 20:00
How many copies of each chromosomes should be present in each of the 4 final haploid versions of gamete?
Answers: 1
Biology, 22.06.2019 00:10
Lymphatic vessels remove excess fluid from tissues. often after mammexront( the surgical procedure to remove of all or part of a breast) the lymphatic vessels draining the arm are damaged. explain a consequence of this damage. what can be done to reduce the symptoms?
Answers: 3
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.
Answers: 1
You find a rock sample with radioactive atoms present. 25% of the original radioactive atoms were pr...
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