A, B and D because a food web shows eating patterns and how that energy is exchanged.
You can tell by Crying... If the baby is in very serious pain she / he will scream and not stop until releive if the baby is in very little to no she/he will just make very fant sounds and you kind of can sens when a baby is in pain ...
Repeated bleaching is not recommended since you're putting yourself at risk of overprocessing and breakage. If you do bleach again, make sure to wait 3 weeks to give your hair cuticle enough time to heal, close and lay flat again.