Biology, 08.10.2019 01:30 katelynbychurch
Which of the following is an example of a closed system?
a. an estuary where fresh and ocean water mix
b. a chemical reaction within deep ocean organisms allowing them to glow
c. a living single-celled organism such as a phytoplankton
d. a river that flows into the ocean
Answers: 1
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Which of the following is an example of a closed system?
a. an estuary where fresh and ocean...
a. an estuary where fresh and ocean...
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