Answer:
Bubbles are nothing but the oxygen which arise around the green parts of the plant.
Microscope technology gives us access to some pretty important/powerful information, however some limitations to it include: resolution limit, low magnification, & poor surface view,
Under ideal conditions, populations can grow exponentially. The growth rate increases as the population gets larger. Most populations do not live under ideal conditions and grow logistically instead. Density-dependent factors slow population growth as population size nears the carrying capacity.