SAT Practice98341ec4-6938-453c-9ee4-11a09b55eabf
Practice one SAT question at a time

Questions come from the Bluebook question bank.

Photosynthesis, the mechanism by which plants use sunlight to turn carbon dioxide and water into blank is fueled in part by an enzyme called Photosystem II that harvests energy-giving electrons from water molecules.

Which choice completes the text so that it conforms to the conventions of Standard English?