What is the term for a reaction in which a substance gains electrons?

a.)respiration
b.)redox reaction
c.)reduction
d.)oxidation

Which of the following is a testable hypotheses?

Wich level of organization includes all the other levels or organizations

What would most likely happen if green plants were exposed to longer days of sunlight? a. the mitochondria would produce less energy . b. the chloroplasts would produce more energy. c. the cell wall would become thicker. d. the vacuoles would quickly shrink. b. the chloroplasts would produce more energy.