The answer is B. This is because baby dolphins, when born, can't really comprehend a lot of things yet, so they, and the more adult dolphins there, try to get to the surface of the ocean to take a breath. :D I hope I helped!
Phagocytosis is the answer to this one :)
<span> D. energy storing
Photosynthesis uses energy from the sun to synthesize carbon-based molecules, that will serve as the energy for plants.</span>
B. long fibres in celery
(I've done an experiment in my science class once on xylem tissue on celery)
