Answer:
D. Amount of sunlight but it can also be B. amount of algae.
Explanation:
D. Brine shrimp are attracted to light so use a low light level, otherwise they will expend much of their energy (which lowers their quality) in an effort to remain near the light source.
B. Cultured brine shrimp can also be fed particulate foods including yeast, wheat flour, soybean powder or egg yolk.
