Answer:
Black
Explanation:
The paper absorbs light of all visible wavelengths.
No visible light is reflected.
The paper will appear black to human eyes.
The main reason is because they are heavy, and because they don't have to chase their food. They're not predators and their shells give them protection like running away gives protection to other herbivores.
Answer:
it depends
Explanation:
Different plants may have different speeds in which they produce oxygen or absorb carbon dioxide therefore photosynthesis may have different rates of speed.