Help I need the answe this is due tm

Wht happens as electrons in the electron transport chain release their energy

Which would best keep the oxygen cycle stable? a. cutting down jungles to create farmland b. eliminating parks in large cities c. dumping toxic chemicals into the ocean d. reducing the amount of deforestation d. reducing the amount of deforestation

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment