Algae use what things to produce their own food:
Asunlight, protein, oxygen, and carbon dioxide
Bwater, sunlight, carbon dioxide, and chlorophyll
Csunlight, water, oxygen, and chlorophyll
Dsunlight, water, carbon dioxide, and protein
Asunlight, protein, oxygen, and carbon dioxide
Bwater, sunlight, carbon dioxide, and chlorophyll
Csunlight, water, oxygen, and chlorophyll
Dsunlight, water, carbon dioxide, and protein