What process(es) contain reactions that produce molecular oxygen (O2)? Both the light reactions and the Calvin cycle
Neither the light reactions nor the Calvin cycle
The Calvin cycle only
The light reactions only

(6.02 mc)what affect do marine protected areas have on environmental quality? they increase environmental quality by preventing resource overuse. they increase environmental quality by adding new species. they decrease environmental quality by removing all human activity. they decrease environmental quality by adding recycling facilities.