Answer:
B. Adult flies have emerged from the shells
Explanation:
A pupa is the life stage of some insects undergoing transformation between immature and mature stages. The pupal stage is found only in insects that undergo a complete metamorphosis, with four life stages: egg, larva, pupa, and imagoa, therefore, an empty pupae means the insect has emerged from the pupae by splitting the pupal case and leaving it empty
In 2000, 25.7% of US men and 21.0% of women were smokers.
Most of these I would advise you not to handle food with, but the most seriousness of these diseases is Typhoid Fever. Typhoid Fever is obtained by food an infectious person handles. The answer is C.
The first time a pathogen hits, our bodies do not know how to handle it properly. This means that our bodies take more time to handle it the first time around. The second time around, however, our bodies have altered so that they can handle the pathogen more efficiently. Hope this helps!
