No system is closed off by it surroundings.
1. Oxidized
2. Reduced
3. Glucose
4. Pyruvate
5. NAD+
6. NADH
An acronym for understanding gain and loss of electrons is OIL RIG (Oxidation is Loss of electrons, Reduction is Gain of electrons).
Answer:
xecr tbyununybt y 7nbytvthhbbhd r f
Answer: A mollusk accidentally imported from Europe. They clog pipes and water ways.
Explanation:
decreased primary consumer