Social Studies, 09.11.2019 01:31 Vanesssajohn4046

Ascientist suspects that food in an ecosystem may have been contaminated by radioactive nitrogen over a period of several months. which of the following should be isolated from mammals living in the ecosystem and examined for radioactivity in order to test the hypothesis?

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Ascientist suspects that food in an ecosystem may have been contaminated by radioactive nitrogen ove...