Biology, 04.09.2019 05:10 rayniqueamee2002
When doing a colorimetric test for the presence of a molecule like in today's lab, a shows us what a positive result looks like by testing a solution known to contain the molecule and a shows us what a negative result looks like by testing a solution that will not contain the molecule in question. in this way we can compare results of unknown solutions to these known results.
Answers: 1
Biology, 22.06.2019 05:40, mustachbrah
When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity
Answers: 3
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